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victus00 [196]
4 years ago
5

There are 10 coins in a jar. some are dimes and the rest are nickels. the coins are worth a total of 70 cents. which system of e

quations represent the situation
Mathematics
1 answer:
Elenna [48]4 years ago
8 0
Eg. d stands for the number of dimes, n stands for the number of nickels
a dime worth 10 cents, 1 nickel worth 5 cents

The equation for "There are 10 coins in a jar" is
d + n = 10

The equation for "The coins are worth a total of 70 cents" is
10d + 5n = 70
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