Answers:
a. There are 28 students altogether.
b. They have 26 siblings altogether.
c. 10 students do not have any siblings (brothers or sisters).
Answers:
a. He could save 1 dollar and 40 cents in one week.
b. He could save 6 dollars in one month.
c. With his grandfather's money Mark could save 7 dollars altogether
in one month.
Answers:
a. There are 5 fruits in each basket.
b. There are 15 fruits altogether.
c. There are 9 apples altogether.