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Mathematics 7 Online
OpenStudy (anonymous):

40% of what number is 52?

jimthompson5910 (jim_thompson5910):

"40% of what number is 52" translates to 0.4x = 52 So your goal is to solve the equation 0.4x = 52 for x

jimthompson5910 (jim_thompson5910):

Do you know how to do this?

OpenStudy (anonymous):

nope lol im doing grade recovery for 8th grade

jimthompson5910 (jim_thompson5910):

you're multiplying 0.4 and x to get 0.4x So you need to undo this by dividing both sides by 0.4 So 0.4x = 52 becomes x = 52/0.4

jimthompson5910 (jim_thompson5910):

Last step is to use a calculator to find 52/0.4

OpenStudy (anonymous):

137 or 130 i think ?

jimthompson5910 (jim_thompson5910):

52/0.4 is 130

jimthompson5910 (jim_thompson5910):

so 40% of 130 is 52

OpenStudy (anonymous):

yup kk thnx u verry much i almost done now :D

jimthompson5910 (jim_thompson5910):

yw

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