Part 1: The right answer is Option B.
Part 2: The right answer is Option B.
Step-by-step explanation:
Given,
1 hour = 120 calories
Part 1: How many calories are burned per minute when walking on a treadmill?
1 hour = 120 calories
1 hour = 60 minutes
Therefore,
60 minutes = 120 calories
1 minute =
2 calories are burned per minute.
The right answer is Option B.
Part 2: Assuming you walk at a constant rate and burn 120 calories per hour, how many minutes will it take to burn 75 calories.
From part 1;
1 minute = 2 calories
1 calorie =
75 calories = 75*0.5 = 37.5 minutes
The right answer is Option B.
Keywords: multiplication, division
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Answer:
N1,052,800.
Step-by-step explanation:
The starting salary of the officer = N57,000
Increase per annum =N2,800
The given pattern forms an arithmetic sequence since the annual salary increases by a fixed amount.
We are to determine the total amount of money that the officer will earn in 14 years.
Sum of an arithmetic sequence,
At the end of 14 years, the total amount earned by the officer will be N1,052,800.