Question

Name: A. Answer the following orally 1-25% of 40 2)50% of 60 3.) 20% of 30 4.)10% of 10 5.) 100% of 65 B. Solve for the rate arally. % of 10 is 10 % of 8 is 4 % of 20 is 5 4.)___% of 60 is 6 5.) % of 30 is 6 C. Solve the base (..) 2.) 3.) 1.) 69 8f is 15 2.) 18 of 3.) 24 of is 576 is 194 6.) 50% of 171 7.) 20% of 60 (8.) 25.% of 8.0 9.) 10% of 90 10.)60% of 80 4.) 85 of is 510 5.) 48 of 15 288 3 D 7.) 5 8.). 9.). 10.) % of 28 is 4 2/ of 40 is S % of 45 is 9 36 of 16 is 16 % of 45 * 22.5. a 6.) 5% of — is 21 7.514% of is 89 8.)10 %0 of 9.)209000 is 18 is 12 10.125qa of is 7​

Answer 1

To find the percentages of numbers, you multiply the number by the percentage as a decimal. To solve for the rate, you set up a proportion where the percentage is equal to the rate over 100. To solve for the base, you divide the number by the percentage as a decimal and multiply by 100.

Step-by-step explanation:

1. 25% of 40 is 10
2. 50% of 60 is 30
3. 20% of 30 is 6
4. 10% of 10 is 1
5. 100% of 65 is 65

1. 10% of 10 is 1
2. 8% of 40 is 3.2
3. 5% of 20 is 1
4. 4% of 60 is 2.4
5. 6% of 30 is 1.8

1. 69 is 150% of what number? The base is 46
2. 18 is 64% of what number? The base is 28.125
3. 24 is 180% of what number? The base is 13.333... recurring
4. 576 is 475% of what number? The base is 121.263...
5. 194 is 18% of what number? The base is 1,077.77
6. 50% of 171 is 85.5
7. 20% of 60 is 12
8. 25% of 8.0 is 2
9. 10% of 90 is 9
10. 60% of 80 is 48

1. 85 is 170% of what number? The base is 50
2. 48 is 320% of what number? The base is 15
3. 15 is 180% of what number? The base is 8.3333... recurring
4. 6 is 24% of what number? The base is 25
5. 89 is 37% of what number? The base is 240

1. 5% of 28 is 1.4
2. 2/5 of 40 is 16
3. 5% of 45 is 2.25
4. 36% of 16 is 5.76
5. 45% of 22.5 is 10.125