Answer:
<h2>At least 21 cookie</h2>
Step-by-step explanation:
Firstly she needed to raise $150
and each cookie $5
let the number of cookie be x
let the expression for the fund raising be
150=5x
given that the mom gave her $45
then she need
150-45=5x
105=5x
x=105/5
x=21
Therefore she need to sell at least 21 cookie
Answer:
Step-by-step explanation:
Given
Required
Determine the inequality
Assume she wants to buy n CDs.
If 1 CD costs $10, then n CDs costs 10n.
So, the inequality is:
<em>We used </em><em> because the amount she wants to spend cannot exceed 30</em>
Divide both sides by 10, to solve for n
Answer:
(-9,5)
Step-by-step explanation:
the midpoint occurs 5 units to the right of the endpoint. using this we can deduce that the other endpoint should also be 5 units right to the midpoint
An ordered pair of the inverse of f(x)D, (1.2)
Answer:
9
Step-by-step explanation:
18÷9=2
27÷9=3
54÷9=6