What is a quarter of 80

5.1Four fifths of the total is 60. solution

60: 4 = 15 (one fifth is 15)
15 5 = 75 (five fifths)

Answer: There are 75 in total.

Forum5.2Three eighths of the whole is 36. solution

36: 3 = 12 (one eighth is 12)
12 8 = 96 (eight eighths)

Answer: There are 96 in total.

Forum5.3 are 60. solution

60 : 6 = 10
10 · 10 = 100

Answer: Overall there are

Forum5.4 are 40. solution

40 : 8 = 5
5 · 11 = 55.

Answer: There are 55 in total.

Forum5.5 the price of a TV is 120 €. How expensive is the TV? solution
120: 2 = 60 (are 60 €)
60 · 5 = 300

Answer: The television costs € 300.
Forum5.6 of the apples are rotten: 250 pieces. How many apples are there in total? solution

250 : 2 = 125
125 · 3 = 375

There are a total of 375 apples.

Forum5.7 of a wine barrel leaked, that was about 40 liters. How much wine was there in total in the barrel? solution

40 : 4 = 10
10 · 7 = 70

There were 70 liters in the barrel.

Forum5.8 the students pay attention, that's 24. How many students are in the class? solution

24 : 8 = 3
3 · 10 = 30

The class has 30 students.

Forum5.9 A baking mix consists of flour. How heavy is the entire baking mix when it contains 210 g of flour? solution

210 : 7 = 30
30 · 9 = 270

The baking mix weighs 270 g.

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