N=2p
n/2=p
n-5=d
10d+5n+1p=446
subsitute n/2 for p
subsitute n-5 for d
10(n-5)+5n+n/2=446
times 2 both sides
20(n-5)+10n+n=892
expand
20n-100+10n+n=892
31n-100=892
add 100 both sides
31n=992
divide both sides by 31
n=32
subsitute back
n/2=p
32/2=16=p
n-5=d
32-5=d=27
27 dimes
16 pennies
32 nickles
Do you know the answers to 8.4 quiz?
Step-by-step explanation:
Most accurate one would be how many pounds he bought. Occasionally, the number he bought could also be used
Answer:
-6 negative six
Step-by-step explanation:
3- 2 - 1 - 4 + 2 - 4= -6
Answer: =17⁄50
Step-by Step by step Explanation:
Step 1: 0.34 = 34⁄100
Step 2: Simplify 34⁄100 = 17⁄50