Question

Monica spent 3/5 hours listening to tapes of beethoven and brahms. She spent 1/4 listening to beethoven . How many hours were spent listening to bramhs?

Answer 1

let x = # of hours listening to bramhs

so if she spent a total of 3/5 hrs on both and 1/4 hr listening to beethoven, then this means


x + 1/4 = 3/5

Answer 2

solve for x

Answer 3

how would i solve for x

Answer 4

by subtracting 1/4 from both sides

Answer 5

so it would be 2/5 right?

Answer 6

no

Answer 7

the denominators are NOT equal, so you can't do what you just did

Answer 8

so then what would i do can u show me step by step im not understanding this

Answer 9

x + 1/4 = 3/5

x = 3/5 - 1/4

x = 12/20 - 5/20 ... notice how I'm making the denominators equal to the LCD

x = ??

Answer 10

is it 11/20

Answer 11

no

Answer 12

7/20

Answer 13

perfect

Answer 14

thanks for having patience with me

Answer 15

you're welcome