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mrs_skeptik [129]
3 years ago
14

The principal of a high school spent 1700 for X desk each and Y chairs at $25 each if he had bought half the number of desk in t

wice the number of chairs he would have spent 1600 right to linear equation to represent the two conditions stated above
Mathematics
1 answer:
KatRina [158]3 years ago
6 0

Answer:

25X + 25Y = 1700

25X + 100Y = 3200

Step-by-step explanation:

Given that the principal of a high school spent $1700 for X desk and Y chairs at $25 each. Then, the equation will be

25X + 25Y = 1700 ....... (1)

If he had bought half the number of desk in twice the number of chairs he would have spent 1600. That is

25(X/2) + 25(2Y) = 1600

25X/2 + 50Y = 1600

Find the LCM and cross multiply

25X + 100Y = 3200 ........(2)

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