Asked by Laurie
Lianne has nineteen coins worth $1.45. Some of her coins are dimes & the rest are nickels. How many dimes does she have?
Answers
Answered by
Reiny
d+n=19
10d + 5n = 145
divide this second equation by 5
2d + n = 29
subtract the first from the second...
easy.....
10d + 5n = 145
divide this second equation by 5
2d + n = 29
subtract the first from the second...
easy.....
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