Answer: 392
Work:
7×8+3×8×14
56+24×14
56+336
392
She will need 32 boxes or 320 pencils because they only come in boxes of 10s
Hello :
<span>d + e = 15 ....(1)
−d + e = −5 ....(2)
(1)+(2) : 2e =10
e=5
in(1) : d+5=15
d=10
the pair solution is : </span><span>(10, 5)</span>
Answer:
8 dollars
Step-by-step explanation:
We can write a ratio to solve
15 stickers 12 stickers
------------------ = ----------------------
10 dollars x dollars
Using cross products
15 *x = 12 * 10
15x = 120
Divide each side by 15
15x/15 = 120/15
x =8
8 dollars
