Use simple formulas written in words and letters

Question 1

The perimeter of a rectangle is P = 2(l + w). Find P when l = 8 and w = 8.

Answer 

Question 2

The number of legs on n dogs is L = 4n. How many legs do 3 dogs have?

Answer 

Question 3

Bike hire costs C = 8h + 17, where h is the number of hours. What is C when h = 2?

Answer 

Question 4

The perimeter of a rectangle is P = 2(l + w). Find P when l = 5 and w = 11.

Answer 

Question 5

The number of legs on n spiders is L = 8n. How many legs do 10 spiders have?

Answer 

Question 6

Bike hire costs C = 4h + 6, where h is the number of hours. What is C when h = 7?

Answer 

Question 7

The perimeter of a rectangle is P = 2(l + w). Find P when l = 14 and w = 11.

Answer 

Question 8

The number of legs on n dogs is L = 4n. How many legs do 11 dogs have?

Answer 

Question 9

Bike hire costs C = 3h + 13, where h is the number of hours. What is C when h = 5?

Answer 

Question 10

The perimeter of a rectangle is P = 2(l + w). Find P when l = 4 and w = 8.

Answer 

Question 11

The number of legs on n birds is L = 2n. How many legs do 8 birds have?

Answer 

Question 12

Bike hire costs C = 3h + 18, where h is the number of hours. What is C when h = 4?

Answer 

Question 13

The perimeter of a rectangle is P = 2(l + w). Find P when l = 17 and w = 11.

Answer 

Question 14

The number of legs on n insects is L = 6n. How many legs do 8 insects have?

Answer 

Question 15

Bike hire costs C = 3h + 17, where h is the number of hours. What is C when h = 5?

Answer 

Question 16

The perimeter of a rectangle is P = 2(l + w). Find P when l = 20 and w = 11.

Answer