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Emmylu
02.07.2019 •
Mathematics
Jasmine is 5 years younger than 1/2 her sister mary's age. together the sisters ages add up to 28. find jasmine and marys age.
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Ответ:
we can set up an equation to find the girls' ages. the equation is 28=0.5x-5+x. (comment if you need me to explain how i got this equation.) so, you add x and 0.5x to get 1.5x and add 5 to each side. your new equation is 33=1.5x. now divide both sides of the equation by 1.5 to get 22=x. because x is mary's age, to find jasmine's age we subtract mary's age from 28. we find that mary is 22 years old and jasmine is 6 years old.
Ответ:
Hopes this help .