Answer:
Step-by-step explanation:
9(9m+3t) = 9 *9m + 9*3t
= 81m + 27t
1. 7/10(1/5=2/10)
2. 1/12(1/2=6/12)
A is aldult tickets
b is child tickets
b = 2/3 a
7a + 12b = 90
7a + 12 x 2/3 a = 90
7a + 8a = 90
15a = 90
a = 6; b = 4
Nobody can solve this without any further information?
Answer:
Mrs. Stern washed more
laundry still needs to be washed.
Step-by-step explanation:
Total amount of laundry: 
of the laundry still needs to be done.
Mrs. Stern washed 
of the laundry.
Her son washed 
of the laundry.
Mrs. Stern washed more laundry than her son.
