SOLUTION: Solve the proportion for x. a) 20 24 = x 18 b) :5 x = 1:25 5 c) 6:3 7 = 13:5 x 7. A tree casts a shadow that is 115 ft long. At the same time a yard stick (a ru

Algebra ->  Proportions -> SOLUTION: Solve the proportion for x. a) 20 24 = x 18 b) :5 x = 1:25 5 c) 6:3 7 = 13:5 x 7. A tree casts a shadow that is 115 ft long. At the same time a yard stick (a ru      Log On


   



Question 251502: Solve the proportion for x.
a)
20
24
=
x
18
b)
:5
x
=
1:25
5
c)
6:3
7
=
13:5
x
7. A tree casts a shadow that is 115 ft long. At the same time a yard stick
(a ruler that is 3 ft long) casts a 5 ft shadow. How tall is the tree?
8. An inspection nds 40 defective parts in a shipment of 500. How many
defective parts would you expect in a shipment of 1200?
9. For these questions use Activity 15 on page 420 of your textbook. The
rate at which calories are burnt is proportional to the weight of the person:
a) At what rate would a 115-pound person burn calories while running
in place?
b) At what rate would a 175-pound person burn calories while swimming
at 25 yd/min?

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
Submit one problem per submission for many reasons.
I will answer on of your problems now.
A tree casts a shadow that is 115 ft long. At the same time a yard stick
(a ruler that is 3 ft long) casts a 5 ft shadow. How tall is the tree?
x/115=3/5