Posted by **steve** on Sunday, November 28, 2010 at 5:28pm.

find unit rate 40 textbooks weigh 120 pounds

- math -
**Ms. Sue**, Sunday, November 28, 2010 at 5:32pm
Use this proportion, cross multiply and solve for x.

40/120 = 1/x

- math -
**Jen**, Sunday, November 28, 2010 at 9:07pm
But how do you know all the textbooks weigh the same amount? Poorly written question..

## Answer this Question

## Related Questions

- math - How do you find the unit rate for this? The managerof Quality Dairy ...
- math - A and B weigh 156 pounds. A and C weigh 171 pounds. How much do they each...
- math/unit rate - please help me find the definition for unit rate. It depends ...
- Math - If 3 bricks weigh 9 pounds, 5 bricks weigh 15 pounds, and 8 bricks weigh ...
- Math - An average 10 yr boy weighs 86 1/2 pounds and has muscles that weigh 34 1...
- math - 2. Suppose that people’s weights are normally distributed, with mean 175 ...
- math - Suppose that people’s weights are normally distributed, with mean 175 ...
- math - david gained 14 pounds over the winter. he went on a diet and lost 26 ...
- MATH - two boys weigh 120 pounds.what is the ratio of the weight of the first to...
- Math - A sixth grader weighs 90 pounds which is 120% of what he weighed in 4 th ...