Her brother joe made $52.08. First you need to make the percent into a decimal, like this 86% => .86. Then multiply .86 to $28. After that add what you got to $28.
Answer: You walked 12 dogs
Step-by-step explanation:
If you charge 0.75 per dog then we can represent that by the expression 0.75x where x is the number of dogs. If you charge $5 for the initial amount, then the whole expression will be 0.75x +5 and that has to equal the amount that you earned working on Saturday.So the equation will be
0.75x + 5 = 14 Now solve for x by first subtracting 5 from both sides
-5 -5
0.75x = 9 Divide both sides by 0.75
x = 12
Answer:Wish i could help, but I'm just as confused.
Step-by-step explanation:
The original is 5 cm, the reduced image is 2.5
2.5/5 = 0.5 = 1/2
The scale for the reduced image is 1/2
Let us assume the following units of measure:
Length = 10 inches
Width = 5 inches
Height = 8 inches
Surface area = 2lw + 2wh + 2lh
S.A = 2(10in * 5in) + 2(5in * 8in) + 2(10in * 8in)
S.A = 2(50in²) + 2(40in² + 2(80in²)
S.A = 100in² + 80in² + 160in²
S.A = 340 in²
Volume = lwh
V = 10 in * 5 in * 8 in
V = 400 in³
ratio of the surface area to volume?
340 in² / 400 in³ = 34 / 40 in = 17/20 in