Write an equivalent ratio for 7:8 with 40 as one of the terms.
1 answer:
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Answer:
b = -9
Step-by-step explanation:
-12 = 24 + 4b Subtract 24 from both sides
-12 - 24 = 24 + 4b - 24
-36 = 4b Divide all sides by 4
-36 ÷ 4 = 4b ÷ 4
-9 = b
-Chetan K