Question

9. (a) Seven chairs are stacked in a corner. How many chair legs are left?
(b) Three chairs are taken outside. How many chair legs are left

Answer 1

Answer:

A) 28

B)16

Step-by-step explanation:

A)There are 7 chairs, each of the chairs have legs therefore 4×7=28

B)There are 7 chairs, 3 chairs are taken outside so 7-3=4,then 4×4=16 because there are 4 chairs left and they each have 4 legs.

Answer 2

a. Number of legs of 7 chairs are equals to 28.

b. Number of legs of 4 chairs are equals to 16.

What is number?

"Number is defined as the symbol which is used to represents the quantity."

According to the question,

Number of legs in 1 chairs = 4

a. Number of legs of 7 chairs  = 7 × 4

                                                 = 28

b. Number of  legs of 4 chairs  = 4 × 4

                                                   = 16

Hence, the required number of legs for given conditions

a. Number of legs of 7 chairs are equals to 28.

b. Number of legs of 4 chairs are equals to 16.

Learn more about numbers here

https://brainly.com/question/17429689

#SPJ3