Answer:
b = 10
Step-by-step explanation:
P = 2 (l + b)
l = 15
P = 50
Substitute
50 = 2 (15 + b)
multiply
50 = 30 + 2b
subtract
20 = 2b
divide
b = 10
Answer:
$22
Step-by-step explanation:
Step-by-step explanation:
2-5/4x=13
- (8x-5)/4x=13
- 8x-5=52x
- -5=52x-8x
- -5=44x
- x=-5/44
Answer:
2.72 hours
Step-by-step explanation:
Data provided:
Time taken by Huck Finn to paint the fence = 5 hours
Time taken by Tom to paint the fence = 6 hours
Now,
Fence painted in 1 hour by Huck Finn = of total fence
and,
Fence painted in 1 hour by Tom = of total fence
Therefore,
Total fence painted together by Huck and Tom in 1 hour = +
or
Total fence painted together by Huck and Tom in 1 hour =
or
Total fence painted together by Huck and Tom in 1 hour =
Hence,
Time taken by Huck and Tom to together paint the fence =
= 2.72 hours