The cost of a pen is 22 and the cost of a pencil box is 42. 125 such pens and pencil boxesb are bought. What is the total cost?​

y-y1=4(x-x1)

step-by-step explanation:

this is point-slope form since you only have 4 as the slope it goes in place of m

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did you get the answer yet?

step-by-step explanation:

okey so the slope is -3/5 and the y -intercept is 7/5

hope this if needed hmu