Question

Write an inequality from the sentence. The product of a number and 7 more than 5 is no more than 21.

Answer 1

Answer:

$7x+5\leq21$

Explanation:

Let the unknown be x

The product of the number and 7 more than 5 is expressed as 7x + 5

If this no more than 21, then 7x + 5 must be less than or equal to 21 as shown;

$7x+5\text{ }\leq\text{ 21}$

Hence the product of a number and 7 more than 5 is no more than 21 is expressed as 7x+5 <= 21