Converting
Write 2/5 as a percent.
40%
Find 20% of 80
16
25 = % x 20
1.25
A kitten is predicted to weigh 2lbs. When taken to the vet, it actually weighed 2.4lbs. What was the % error?
20%
I = 2000 x 6% x 2
I = 240
Convert 1.234 into a percent.
123.4%
Find 115% of 100
115
Part = 30% x 50
15
A concert held a two night performance. The first night the attendance was 450 people. The second night the attendance was 359 people. What was the % decrease?
20.2%
I = 1000 x 8% x 5
I = 400
Convert 8% into a decimal.
.08
Find 5% of 25
1.25
55 = 25% x Whole
220
Original Value: 320
New Value: 400
What is the % increase?
25%
1750 = p x 5% x 10
P = 3500
Convert .005 into a percent.
.5%
Find .8% of 70
.56
20 = 115% x Whole
Round to the nearest hundredth.
17.39
A store marks a Xbox up to 249.99. The percent markup the store used for their profit was 55%. How much did the Xbox originally cost? Round to the nearest dollar.
161
1800 = 5000 x r x 4
9%
3/10
Find 1% of 1000
10
45 = % x 47
Round to the nearest percent
96%
A screw is estimated to be .75 cm long. After manufacturing, the screw is actually .73 cm long. The screw needs to be remade if the % error passes 3%. Will we need to remake the screw? Why?
No because the % error is 2.7% which is just under the 3% needed for a remake.
Enrique deposits $3000 in a bank that gives him 4% simple interest every year. He wants to earn $960 in interest before he takes his money back out. How many years will Enrique have to keep his money in this bank?
8 Years