TabbyKun00

31.01.2022 • 

Mathematics

Percentage and Ratios [Marks=15] Suppose your heart beat is 75 per minute.What is the unit rate per minute?
[Marks=2]

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Q2: Find the unit rate for 22 laps in 5 minutes. [Marks=2]

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Q3: There are 14 boys and 25 girls in a school [Marks=4]
badminton team.
i) Find the ratio of the number of boys to girls.

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ii) The number of girls to the total number of players in the team.

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Q4: Write each ratio in simplest form. [Marks: 2]
i) 15 to 50
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ii) 20 to 30

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Q5: Give two other ratios that are equal to each. [Marks: 2]
i) 5 to 8

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ii) 12 : 16

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Q6: After a pay cut of 3 % from Devi’s monthly salary, that is $3346. Find the deducted salary. [Marks: 3]

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Ответ:

hughesnatalia2003

15.01.2022

Mathematics

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c

Step-by-step explanation:

When you are find a percentage of a number you must first turn the percent into a number so firstly turn 10% into .10

then take and turn it into a fraction which equals 10/100 x 275 so ur answer is c

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