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OpenStudy (jake124):
use benchmarks to estimate sum difference or product 1 7/8 + 1/9 A. 0 B. 1 C. 2 D. 2 1/2 my answer 8 2/17 x 1 15/17 A. 16 B. 24 C. 8 my answer D. 12
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OpenStudy (flix):
#1. is 2, because 1 7/8 + (1 / 9) = 1.98611111, so 2. and for #2, 8 2/17 * 1 15/17 = 15.2802768 so I'd say 16 for that.. 1. C. 2 2. A.16
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