Question

Challenge Yourself:
1. Donna made 5 posters.
Elizabeth made twice as many posters as Donna.
* They hung up 7 posters,
* How many posters do they have left?
2. John built 5 birdhouses.
Eddie built twice as many as John.
* They sold 9 birdhouses.
* How many were left?​

Answer 1

Answer:

1. 8 Posters are left

2. 6 birdhouses are left

Answer 2

they have left 8 posters

Step-by-step explanation:

as Donna had 5 of them and Elizabeth had 10 ( twice of Donna ) then 5+10=15

as they hung up seven of them. then 15-7=8

2. therefore just as the first John had 5 birdhouses and Eddie had 10 so 5+10=15

so as they sold 9 of them the no. of birdhouses left is:

15-9=6