Mr. Inwood does a job in x hours while Mr. Lui can do it in y hours. How much of the job could they do it together if they were
1 answer:
If they worked for k hours, the amount of work done would be hours.
Algebraic expression involves the use of variables and their arithmetic operations.
Given that:
- Mr. Inwood does a job in x hours, while
- Mr. Lui can do it in y hours
If we have a function denoted by k (hours) indicating the work they both can do together. Then we can conclude that they can both work for:
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Answer:
Small gift: $2
Large gift: $7
Step-by-step explanation:
Let x represent cost of wrapping each small gift and y represent cost of wrapping each large gift.
We have been given that day one 41 small gifts were wrapped and 45 large were wrapped equaling $397.
We can represent this information in an equation as:
We are also told that day two 30 small gifts were wrapped and 47 large were wrapped equaling $389. We can represent this information in an equation as:
From equation (1), we will get:
Upon substituting this value in equation (2), we will get:
Therefore, cost to wrap a large gift is $7.
Upon substituting in equation
, we will get:
Therefore, cost to wrap a small gift is $2.