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If Rita spends every day 40 minutes for watering the plants, how much time does Rita spend watering the plants in 20 days?
a)12hours
b)13.33hours
c)12.5hours
d)15.5hours
e)14.33hours
Read Solution (Total 6)
-
- Rita spend watering the plants in 20 days = 20*40/60 = 40/3 hrs = 13.33 hrs ... ....option b)
- 13 years agoHelpfull: Yes(8) No(0)
- sita 1 day sepend time =40 min
sita 20 days spend time =20*40min
=800 min
so, convert it into hours= 800/60 hrs
13.33hrs - 5 years agoHelpfull: Yes(0) No(0)
- 40*20=800 min
800min=13.33 hrs - 5 years agoHelpfull: Yes(0) No(0)
- Rita Spend Everyday 40 min =40/60 => 2/3
2/3*20
= 13.33 hr - 5 years agoHelpfull: Yes(0) No(0)
- 13.33 hour
- 3 years agoHelpfull: Yes(0) No(0)
- Time spent on watering plants in 1 day = 40 minutes
Find:
Time spent on watering plants in 20 days = ?
Solution:
Time spent in 1 day = 40 min
Time spent in 20 days = Time spent in 1 day × No. of days
=
=
We know that,
1 hour = 60 minutes
1 minute = ¹/₆₀ hours
∴ 800 minutes = ¹/₆₀ × 800
= 13 hours 20 minutes
That is, Rita spends 13 hours and 20 minutes watering plants in 20 days.
This problem deals with basic mathematical operations such as multiplication and division. Basic arithmetical operations include addition, subtraction, multiplication, and division.
Basic Arithmetic Operations
i) Multiplication: Multiplication is the basic arithmetic operation that represents the repeated addition of numbers. The result obtained by multiplying 2 numbers is known as the product of the numbers. It is represented using '×' symbol.
Eg. 2 × 3 = 6
ii) Division: Division is a mathematical operation of distributing a group of numbers into equal parts. The result obtained by dividing 2 numbers is known as the quotient of the numbers. It is represented using '÷' or '/' symbol.
Eg. 8 ÷ 4 = 2 - 6 Months agoHelpfull: Yes(0) No(0)
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