P=2L+2a
w=L-8, P=52
52=2L +2(L-8)
52=4L-16
68=4L
L=17, w=9
Answer: 1
Explanation: Each child can have up to 13 balloons each. If all 4 children have 13 balloons, that leaves an extra balloon out. 13*4=52, which leaves the 1 extra balloon.
Answer:
12 and 18
Step-by-step explanation:
sum the parts of the ratio, 2 + 3 = 5
30 ÷ 5 = 6 ← value of 1 part of the ratio
2 parts = 2 × 6 = 12
3 parts = 3 × 6 = 18
The numbers are 12 and 18
12.5 minutes becuase 25ft divided by 2 ft is 12.5