Question

Can anyone help me? I’m stuck on these problems ;(((

Answer 1

Explanation:

1)

Let the no. of houses = x

inequality:

146 + 23x > 590

23x > 590 - 146

x > 444 ÷ 23

x > 19.3

the smallest number is 20

2)

Let the no. of weeks = x

inequality:

9 + 2.5x ≤ 50

2.5x ≤ 50 - 9

x ≤ 41 ÷ 2.5

x ≤ 16.4

The number of weeks = 16

3)

x ≤ -1

Note: inequality uses sign <, >, ≤, ≥, not =