Question

ma
A college mathematics department plans to spend
$1,800 buying computers and books. Each computer
costs $300 and each book costs $90. Which equation
represents this situation, where x is the number of
computers and y is the number of books that the
department can buy?

Answer 1

Answer:

the company can buy

300 * 3 + 90*10

so

3 computers and 10 books will be the answer

Answer 2

SOLUTION

GIVEN

• A college mathematics department plans to spend $1,800 buying computers and books.

• Each computer costs $300 and each book costs $90.

TO DETERMINE

The equation represents this situation, where x is the number of computers and y is the number of books that the department can buy

EVALUATION

Total number of computers = x

Total number of books = y

Since each computer costs $300 and each book costs $90

Also total amount spend = $ 1800

So by the given condition

300x + 90y = 1800

⇒ 10x + 3y = 60

FINAL ANSWER

Hence the required equation is

10x + 3y = 60

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