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In 2010, a skating team had a total of 51 skaters, each classified as either advanced or intermediate. From 2010 to 2020, the number of advanced skaters on the team increased by approximately 59%, and the number of intermediate skaters on the team increased by approximately 48%. The total number of skaters on the team increased by approximately 53%. Which equation best represents this situation, where a represents the number of advanced skaters on the team in 2010 and b represents the number of intermediate skaters on the team in 2010?

In 2010, a skating team had a total of 35 skaters, each classified as either advanced or intermediate. From 2010 to 2020, the number of advanced skaters on the team increased by approximately 39%, and the number of intermediate skaters on the team increased by approximately 47%. The total number of skaters on the team increased by approximately 43%. Which equation best represents this situation, where a represents the number of advanced skaters on the team in 2010 and b represents the number of intermediate skaters on the team in 2010?

The percent increase in mass of a certain red kangaroo from 90 days old to 160 days old was 438%. If this red kangaroo's mass was k grams at 90 days old, which expression represents its mass, in grams, at 160 days old?

A researcher investigated two species of mites: a predator and its prey. At the start of a week, there was an equal number of the two species. At the end of the week, the number of prey had increased by 1,900% of the number of prey at the start of the week, and the number of predators had increased by 150% of the number of predators at the start of the week. The number of prey at the end of the week was p% greater than the number of predators at the end of the week. What is the value of p?

The result of increasing the quantity x by 800% is 504. What is the value of x?

A scientist studied the effects of mixing two chemicals, chemical A and chemical B, by gradually adding more of each chemical to a mixture of the two chemicals. At the start of the study, the mass of chemical A in the mixture was equal to the mass of chemical B in the mixture. From the start of the study to the end of the study, the mass of chemical A in the mixture increased by 2,600% and the mass of chemical B in the mixture increased by 380%. At the end of the study, approximately how many times greater was the mass of chemical A in the mixture than the mass of chemical B in the mixture?

A number \( f \) is 130% greater than a positive number g. A number h is 20% less than the number \( f \). The number h is how many times the number g?

A local gym is offering a 25% discount on an annual membership. The regular cost of an annual membership is $288. How much less is the discounted cost of the membership than the regular cost of the membership?

The price of an item increased by p% from $90 to $93. What is the value of p?

A number \( f \) is 120% greater than a positive number g. A number h is 10% less than the number \( f \). The number h is how many times the number g?

A researcher investigated two species of mites: a predator and its prey. At the start of a week, there was an equal number of the two species. At the end of the week, the number of prey had increased by 1900% of the number of prey at the start of the week, and the number of predators had increased by 460% of the number of predators at the start of the week. The number of predators at the end of the week was p% less than the number of prey at the end of the week. What is the value of p?

The result of increasing the quantity x by 800% is 360. What is the value of x?