1. (a) 55%

(b) 99%

(c) 80%

(d) 1%

(e) 10%

(f) 30%

 

2. (a) 30

(b) 100

(c) 12

(d) 32

(e) 12.5

(f) 130

(g) 0.9 (h) 360 (i) 1000
(j) 126 (k) 128 (l) 28.6

3. a. He gives $60 to charity
b. He has 20 boxes left
c. He has sold cards to 60 families.
d. He has sold cards to 87.5% of the families?

 

4. (a) 12%

(b) 40%

(c) 100%

(d) 98%

(e) 37.5%

(f) 80%

(g) 45% (h) 75% (i) 4%
(j) 33% (to nearest whole number) (k) 90% (l) 3% (to nearest whole number)

5. (a) 20%

(b) 50%

(c) 86%

(d) 60%

(e) 28%

(f) 60%

(g) 64% (h) 25% (i) 36%

(j) 200%

(k) 84%

(l) 6%

6. a. Ellie spends 14.4 hours a day eating.
Y7_Percentages_exercise_03.GIF
  b. There are 40.5 grams of gold in the bracelet.
  c. There are 136 grams of water in the apple.
  d. His success rate is 80%
  e.I score 32% in the test!
 

f. Her success rate is 81%