Solve. Round to the nearest percent if necessary.Find the percent of increase when the original amount is 80 and the new amount is 96.
A. 17%
B. 16%
C. 20%
D. 120%
Answer: C
Mathematics
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Estimate by rounding.52,684 ÷ 474
A. 100 B. 90 C. 1000 D. 900
Mathematics
Solve the problem.If a group of 247 people is to be split into equal-sized subgroups of at least two people and no more than 30 people, what are the possible group sizes?
A. 19 B. 7, 13, and 19 C. 13 and 19 D. 9 and 13
Mathematics
Indicate whether the equation illustrates the commutative property of addition, commutative property of multiplication, associative property of addition, associative property of multiplication, or the distributive property.7 + 6 = 6 + 7
A. Commutative property of addition B. Distributive property C. Associative property of addition D. Commutative property of multiplication
Mathematics
Simplify.15 + 11 ? 30
A. 195 B. 345 C. 780 D. 56
Mathematics