Penelope baked some cookies. She sold
29 of them in the morning and
114 of the remainder in the afternoon. If she had 143 cookies left, how many cookies did she bake?
Morning |
Remainder |
Total |
2x2 |
7x2 |
9x2 |
|
Afternoon |
Left |
|
|
1 |
13 |
|
4 u |
1 u |
13 u |
18 u |
Fraction of the cookies left after selling in the morning
= 1 -
29 =
79 Fraction of the remaining cookies left after selling in the afternoon
= 1 -
114 =
1314 Fraction of the cookies left after selling in the afternoon
=
1314 x
79 =
131813 u = 143
1 u = 143 ÷ 13 = 11
Total number of cookies that Penelope baked
= 18 u
= 18 x 11
= 198
Answer(s): 198