Answer:
15 boys dont finish
Step-by-step explanation:
48+a=63
a=15
(9 × 10) + (20x + 21) = 571
90 + 20x + 21 = 571
111 + 20x = 571
- 111
20x = 460
÷ 20
x = 23
I hope this helps!
Answer:
This is Conplementary and adjacent
Step-by-step explanation: Complementary means they add up to 90 degrees and they are right next to each other
3.36/10.5 = 0.32
It costs $0.32 an ounce
