Question

Write the statement "the sum of a number and 10.7 is at most −3.2" as an inequality.

−3.2 + b > 10.7
−3.2 + b < 10.7
b + 10.7 ≥ −3.2
b + 10.7 ≤ −3.2

Answer 1

(d) b + 10.7 ≤ −3.2

Explanation:

You want an inequality that means "the sum of a number and 10.7 is at most -3.2".

Sum

Let b represent the number. Then "the sum of a number and 10.7" is ...

b +10.7

At Most

The wording "is at most" means "is less than or equal to." Our inequality is ...

b +10.7 ≤ -3.2 . . . . . . matches choice D

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