When variables with exponents are divided by each other, you subtract the exponents.
For example:
100 x 4.2 would equal 420.
The answer is 4.2
For us to find out how many times more expensive is the deli roast compared to the uncooked roast we need to change the units;
cost of 100g=0.221lb is $2.99
cost of 1 lb will therefore be:
1/0.221*2.99
=$13.53/lb
therefore the number of times more expensive the deli roast is compared to uncooked roast is:
[price of 1lb roasted meat]/[price of 1 lb uncooked meat]
=13.53/4.99
=2.7 times
Answer:
3 cups rice 4 1/2 cups of chicken broth
15 over 30 equals 1/2 cup per person
10 over 30 equals 1/3 per person multiply each by 9 and you have your answer!
