There is a 3: 4 ratio of cats to dogs at the humane society in broward county. if there are 48 cats, how many dogs must there be?
1. 54
2. 64
3. 68
4. 76

Pam buys a sleeve of ball bearings for her skateboard. each of the bearings is 1 1/5 inches wide. the sleeve is 9 3/5 inches long. how many ball bearings are in the sleeve? show your work.

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?

Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin. how many doctors use brand x aspirin