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Perform each operation. Simplify when possible.
Let's examine the repeated sum
Recalling that multiplication is a description of repeated addition, by the distributive property we have
From these observations, we can suggest the following rule.
Perform the following multiplications. Simplify if necessary.
Perform the following multiplications. Simplify.
Perform the following divisions. Simplify if necessary.
Perform the following divisions. Simplify if necessary.
For the following 15 problems, simplify the denominate numbers.
For the following 15 problems, perform the indicated operations and simplify the answers if possible.
Add 6 min 12 sec to 5 min 15 sec.
Add 9 gal 3 qt to 2 gal 3 qt.
Subtract 3 gal 1 qt from 8 gal 3 qt.
Subtract 5 lb 9 oz from 12 lb 5 oz.
Add 3 fl oz 1 tbsp 2 tsp to 5 fl oz 1 tbsp 2 tsp.
Add 4 da 7 hr 12 min to 1 da 8 hr 53 min.
5 days 16 hours 5 minutes
Subtract 5 hr 21 sec from 11 hr 2 min 14 sec.
Subtract 6 T 1,300 lb 10 oz from 8 T 400 lb 10 oz.
1 ton 1,100 pounds (or 1T 1,100 lb)
Subtract 15 mi 10 in. from 27 mi 800 ft 7 in.
Subtract 3 wk 5 da 50 min 12 sec from 5 wk 6 da 20 min 5 sec.
2 weeks 23 hours 29 minutes 53 seconds
Subtract 3 gal 3 qt 1 pt 1 oz from 10 gal 2 qt 2 oz.
( [link] ) Find the sum: .
( [link] ) An acid solution is composed of 3 parts acid to 7 parts water. How many parts of acid are there in a solution that contains 126 parts water?
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