5a-2a=7+2+5
a(5-2)=14
a=14/5-2
a=14/4
a=3.5
<h3>
Answer: 89,58 $ </h3>
Step-by-step explanation:
The formula :

where r is years ; N is the percentage by which we increase the price ; A is the original price
In our case :
Then the monthly salary is equal to:

Answer:
x ≤ 31/3
Step-by-step explanation:
4 pairs of pants for $18.
Divide price by quantity to get the cost of 1 pair of pants:
18 / 4 = 4.50 per pair.
Divide 27 by 4.50 to find number of pairs:
27 / 4.5 = 6
6 pairs of pants can be cleaned for $27.