Mrs Gabriel baked some cookies. She gave
37 of the cookies to her neighbour and
316 of the remainder to her friend. Given that she gave 18 less cookies to her friend than her neighbour. How many cookies did
she bake at first?
Neighbour |
Remainder |
Total |
3x4 |
4x4 |
7x4 |
|
Friend |
Left |
|
12 u |
3 u |
13 u |
28 u |
Number of less cookies that Mrs Gabriel gave to her friend than her neighbour
= 12 u - 3 u
= 9 u
9 u = 18
1 u = 18 ÷ 9 = 2
Number of cookies that Mrs Gabriel baked at first
= 28 u
= 28 x 2
= 56
Answer(s): 56