Granny Georgette and Kiwi have a combined age of 77. If Kiwi is 13 years less than twice Granny Georgette's age, how old is Kiwi?

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Itzzmee Itzzmee

10-05-2018
Mathematics

contestada

Granny Georgette and Kiwi have a combined age of 77. If Kiwi is 13 years less than twice Granny Georgette's age, how old is Kiwi?

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carolgibbons45ox9sfz carolgibbons45ox9sfz · Answer 1 · 2018-05-10T02:23:03+02:00

Since they decided to be extremely ridiculous and deleted my answer for "not showing enough work", here I am again:

Since it says that Kiwi is 13 less than TWICE Granny's age, I divided 77 (Granny's age) by 2, which gave me 38.5

I then subtracted 13, since it says that she is thirteen less than that number, which gave me 25.5

I had originally said "20 or 20 and a half years old" because depending on your format of testing/worksheet, you may not have the option of putting halves.