We can use the is/of=p/100 method for this problem. Since it's 15% off, this would mean that the bill is 85% of what it was initially. Plug the values into the is/of=p/100 formula.

36.72/x = 85/100

Solve for x.

x=36.72/0.85

x=43.2

So, the bill was $43.20 before applying the voucher discount of 15% off.

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4 0

3 years ago

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Given the following diagram, find the missing measures.

Deffense [45]

Angle O and P are the same.

Subtract angle 1 from 180 and divide by 2:

Angle O = 180-36 /2

Angle O = 144 /2

Angle O = 72

3 0

3 years ago

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During the afternoon, and 18 foot tall tree casts a shadow 25 feet long. What is the approximate andle of elevation from the end

Karo-lina-s [1.5K]

a tree casts a 25-foot shadow on sunny day. If the angle of elevation from the tip of the shadow to the top of the tree is 32 degree, what is the height of the tree to the nearest tenth of a foot?

Tan(32)=H/25

0.624869=H/25

H=.624869 X 25

H=15.6 feet-Height of the tree.

6 0

2 years ago