Answer: b=14.7
Step-by-step explanation:
Answer: b=7.5
Step 1: Cross-multiply.
7/5 = 10.5/b
7*b=(10.5)*(5)
7b=52.5
Step 2: Divide both sides by 7.
7b/7 = 52.5/7
Therefore:
b=7.5
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