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30.06.2019 •
Mathematics
Jasmine bought 2 lb of ham and 1.5 lb of cheese from the deli and paid $7.25 she went back the following week and bought 3 lb of ham and 2 lb of cheese and paid $10.50. if the prices remained the same find the price per pound of the ham and cheese
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Ответ:
Given:
Jasmine bought 2 lb of ham and 1.5 lb of cheese from the deli and paid $7.25. She went back the following week and bought 3 lb of ham and 2 lb of cheese and Paid $10.50.
To Find:
The price per pound of the ham and cheese.
The price per pound of ham is $2.5 and the price per pound of cheese is $1.5
Step-by-step explanation:
Let the price per pound of ham be x and price per pound of cheese be y.
In her first trip, she bought 2lb of ham and 1.5lb of cheese and paid $7.25. This can be represented in terms of an equation as
For the second trip, we can write
We can multiply the first equation by 3 and the second equation by 2 so that the coefficient of x in both is equal.
So we get
and
We can now subtract equation (4) from (3). We get
which means
Substituting this value of y in (2),
So, the price per pound of ham is $2.5 and the price per pound of cheese is $1.5
Ответ:
45600-38799= 6801
To find the percentage of the ocuupancy divide 38799 by 45600 to get about 0.85
You move the decimal two places to the right to make it a percent of 85%.
You would need 5% more to fill it 90%.
To find 5 percent of 45600 multiply 45600 by 0.05 because 0.05 equals 5%.
After multiplying you get 2280.
So, 6801 square feet is vacant
85% is occupied
To make it 90% occupied you would need 2280 more square feet