Step-by-step explanation:
To evaluate 9.3v + 8.9w when v=7 and w=8, we need to replace v by 7 and w by 8, so we get:
9.3(7) + 8.9(8) = 65.1 + 71.2
= 136.3
Therefore, the answers are the number 7, 8, 65.1 and 136.3
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