Answer:
42 Dimes, 10 Nickels.
Step-by-step explanation:
Dimes are worth $0.10, nickels are worth $0.05.
If D = number of dimes, and N = number of nickels, then the following equations are true:
0.10D + 0.05N = 4.70
D + N = 52
Next, let's multiply the first equation by 10 so that we can subtract the second one from it.
D + 0.50N = 47
(-) D + N = 52
Subtracting the second equation from the first one gives:
-0.5N = -5
-0.5N/-0.5 = -5/-0.5
N = 10
Finally, substitute N in the original second equation to find D.
D + 10 = 52
D + 10 - 10 = 52 - 10
D = 42
Answer:
8 and 4
Step-by-step explanation:
8 x 4= 32
8+4 = 12
Answer:D
Step-by-step explanation:
Round 295 to 300. Then round $8.95 to $9. multiply 300 by 9. Then subtract 400. You have your answer!
Answer:
15
Step-by-step explanation:
Answer:
2(z+3)
Step-by-step explanation:
