Answer:The answer is he has 3 quarters and 15 dimes
Step-by-step explanation:
quarter= $.25 and dime= $.1 so 3x.25= .75 and 15x.1= 1.5 and then add and you get $2.25
Answer: 3 quarters, 15 dimes
Step-by-step explanation:
1st)
.10D+.25Q=2.25
D+Q=18
____________
2nd)
.10D+.25Q=2.25
-.10(D+Q=18) = (-.10D-.10Q=-1.8)
____________
3rd)
(.10D+.25Q=2.25) + (-.10D-.10Q=-1.8)
Equals to
.15Q=.45
____________
4th)
.15Q/.15Q=.45/.15Q
Equals to
Q=3
Which means there is 3 quarters
___________
5th)
18(total number of coins) - 3(quarters) = 15(dimes)
(Answer)
