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ZX-5B3BF64D342024年5月C卷 · 第 3 题
2024年5月C卷 · 原库模块 2 · Q3 原库参考解析
The equation 7p +7w = 560 represents the number of purple tiles, p, and the number of white tiles, w, a designer needs to cover a 560- square-inch section of a wall. The designer needs 35 purple tiles for the wall. How many white tiles does she need?
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