Each snack cost $0.75, and the amount was charged to Dave's account. What amount should be on Dave's account for snacks last month?

answer: for each 3 girls there is 2 boys . 3: 2

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answer: (c) m∠qpo + (2x + 16)° = 180°

step-by-step explanation:

the opposite angles of a quadrilateral are supplementary.

so, ∠o + ∠q = 180°   and   ∠p + ∠r = 180°

since ∠r = 2x + 16°, we can use substitution as follows:

∠p + ∠r = 180°

∠p + (2x + 16)° = 180°

but there’s no any figure there!