Using order of operations (PEMDAS) which expressions equal 48?
Select TWO possible answer choices.
A 3 - (25) = 2
B 23.3+32
C 23.5+(4-2)
D
24

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there are no multiple choices

we need to divide the number of toy dinosaurs, 156, by the number of brothers, 4:

in order to estimate, we can use compatible numbers:

156 ÷ 4

  ↓

160   ÷ 4 = 40        

the correct answer is a).