Question

Medal
A personal trainer has a supply of weight plates to make custom dumbbells to use for weight-training. The trainer adds 16 1/14 pounds of plates to each side of the dumbbell bar, which itself weighs 2/1/2 pounds. Write a ratio comparing the weight added to each side of the dumbbell bar to the weight of the bar itself, using a fraction in simplest terms.

Answer 1

weight added to sides : weight of bar
(16 1/4)(2) : 2 1/2 --- turn to improper fractions
(65/4)(2) : (5/2)
(130/4) : (5/2)
(65/2) : (5/2)
but ratios can be written as fractions
(65/2) / (5/2)
65/2 * 2/5
130/10 which reduces to 13/1
I think thats how you do it...but you might want to get a second opinion

Answer 2

so the answer is 13/1?

Answer 3

I think so...but like I said, you might want to wait and get a second opinion

Answer 4

okay thank you :)

Answer 5

don't thank me yet...lol

Answer 6

@amorfide ...did I do this correctly ? I think so, but I need confirmation

Answer 7

I thought the same but was not too sure if it were correct but I agree with your method until someone would like to dispute it :)

Answer 8

ok...thanks...I feel better now...lol