Question

1. Consider the expression 2 1/2 - (3/4 + 5/8).

a. Which operation is done first, subtraction or addition?
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b. Write the computation in words.
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2. Consider the expression 4.5 + 6 x 0.1.
a. Which operation is done first, addition or multiplication?
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b. Write the computation in words.
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Answer 1

1. Addition is first. Bracket comes first

BODMAS

1 ADDITION

2½ - (¾ - ⅝)

Subract the sum of 3/4 and 5/8 from 2½

2. BODMAS

Multiplication first

4.5 + 0.6 = 5.1

Five and one tenth

Add 4.5 to the product of 6 and 0.1