
Patrick B. answered 01/12/19
Tutor
4.7
(31)
Math and computer tutor/teacher
100/420 = 7/ x
100 x = 420*7
x = 420*7/100 = 42*7/10 = 21*7/5 = 147/5 = 29 and 2/5
Lol 1.
asked 01/12/19If 100 grams of cocoa powder have 430 calories, how many calories do 7 grams of cocoa have?
Patrick B. answered 01/12/19
Math and computer tutor/teacher
100/420 = 7/ x
100 x = 420*7
x = 420*7/100 = 42*7/10 = 21*7/5 = 147/5 = 29 and 2/5
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