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Jamal buys 15 pencils for $0.90 each and a notebook for $1.25. The cashier says the total is $32.25, but Jamal believes there was a mistake.
Which equation could he use to check the reasonableness of the total?
A. 15 × 1 + 1 = 16
B. 15 × (1 + 1) = 30
C. 15 × 9 + 1 = 136
D. 15 × (9 + 1) = 150
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