A company makes 150 bags. 37 of the bags have buttons but no zips. 45 of the bags have zips but no buttons. 23 of the bags have neither zips nor buttons. How many bags have zips on them?

What is the value of the expression below? 148+(-6)| + |– 35= 7|

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?

Julie was able to walk 16 km through the zoo in 6 hours. how long will it take her to walk 24 km through the zoo?