Ming-Li spent $15 at the movies. She then earned $30 babysitting. She spent $12 at the bookstore. She now has $18 left. How much

Question

3 years ago

14

money did Ming-Li have to begin with?

2 answers:

Step2247 [10] · Answer 1 · 2022-06-03T08:20:02+03:00

6 0

X - 15 + 30 - 12 = 18;
Then x - 15 + 18 = 18;
x + 3 = 18;
x = $15 ( money has Ming-Li to begin with ).

krok68 [10] · Answer 2 · 2022-06-03T10:37:14+03:00

3 0

X = original amount

x - 15 + 30 - 12 = 18
x + 30 - 27 = 18
x + 3 = 18
x = 18 - 3
x = 15 <== she began with 15