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Mathematics 4 Online
OpenStudy (anonymous):

15 is 375% of what number? What number is 70% of 420?

OpenStudy (campbell_st):

well start by saying 375% = 15 divide both numbers by 3.75 will give 100%

OpenStudy (anonymous):

O.O huh?

OpenStudy (anonymous):

hahaha take 25(100)

OpenStudy (campbell_st):

so 375/3.75 = 100% so do the same for 15 find 15/3.75

OpenStudy (anonymous):

then divide by 375

OpenStudy (anonymous):

@rainbowink use your calculator lol, 15(100)

OpenStudy (anonymous):

15(100) ????

OpenStudy (anonymous):

that means 15 times 100

OpenStudy (anonymous):

okay after that?

OpenStudy (anonymous):

divide your answer by 375

OpenStudy (anonymous):

okay (:

OpenStudy (anonymous):

What number is 70% of 420?

OpenStudy (anonymous):

wut did you get for the first one?

OpenStudy (anonymous):

4

OpenStudy (anonymous):

420(.70)

OpenStudy (mathlegend):

@rainbowink also what is good to know is the formula.. is/of = %/100

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