succ29
01.08.2019 •
Mathematics
Ajar containing only nickels (n) and dimes (d) contains a total of 60 coins. the value of all the coins in the jar is $4.45. write and solve a system of equations to find the amount of nickels and dimes that are in the jar.
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Ответ:
D=29 DIMES.
60-29=31 NICKELS.
PROOF:
.05*31+.10*29=4.45
1.55+2.90=4.45
4.45=4.45
Ответ:
70
Step-by-step explanation:
the number in between 50 and 90 is 70.
What you do is you add 50 and 90 together, the answer to that is 140. Then, you divide 140 by 2, and you get your answer, 70.
hope this helps! moo!