Problem 1 :
Class 8A are going on a trip to a windmill.
The trip costs £3.70 each and there are 26 students in 8A. How much money should be collected?
Solution:
Given, each costs = £3.70
Number of students = 26
Total money = 26 × 3.70
= £96.2
Problem 2 :
Mr. Jenkins is building a fence for his garden. The fence costs £12.60 per metre to build. The fence is 5.3 metres long.
Work out the total cost of building the fence.
Solution:
The fence costs = £12.60 per metre
Total cost of building = 12.60 × 5.3
= £66.78
Problem 3 :
Calculate the area of this rectangle.
Solution:
Given, length = 6.8 cm
Width = 2.7 cm
Area of rectangle = length × width
= 6.8 × 2.7
= 18.36 cm2
Problem 4 :
Here are the prices of some fruit in a shop.
Find the total cost of 1.2 kg of apples, 3.5 kg of oranges and 1.9kg of bananas.
Solution:
Total cost of 1.2 kg of apples, 3.5 kg of oranges and 1.9kg of bananas:
= 1.2(0.97) + 3.5(1.07) + 1.9(1.46)
= 1.164 + 3.745 + 2.774
= £7.683
Problem 5 :
Regan is paid £6.70 per hour. He works 8 hours in a week. Work out how much Regan should be paid.
Solution:
Regan paid = £6.70 per hour
Working hour = 8 hours
Total amount = 6.70 × 8
= £53.6
Regan paid is £53.6.
Problem 6 :
Calculate the output.
Solution:
3.8 × 7 = 26.6
So, the output is 26.6.
Problem 7 :
Calculate the area of the rectangle.
Solution:
Given, length = 19.4 cm
Width = 8 cm
Area of rectangle = length × width
= 19.4 × 8
= 155.2 cm2
Problem 8 :
A bottle of cola costs £1.29.
Calculate the total cost of 6 bottles of cola.
Solution:
Cola costs = £1.29
Cost of 6 bottles = 6 × 1.29
= £7.74
May 21, 24 08:51 PM
May 21, 24 08:51 AM
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