Set up a proprtion and cross multiply.
18/7.5=22/4x+1
7.5×22=18 (4x+1)
165=72x+18
147=72x
x=2.04
Answer:
y = 6.5
Step-by-step explanation:
Answer:
I need help on this thing too someone help
Step-by-step explanation:
Make a proportion.
Do base over height;
.
h is the height of the second triangle. Solve for h.
Cross multiply.
6h = 168
h = 28
The height of the second triangle is 28 cm.
<span>multiply 42.50 by 10% then add that answer to 42.50 to get the total price she will have to pay.</span>