Margo can purchase tile at a store for $0.59 per tile and rent a tile saw for $42. At another store she can borrow the tile saw for free if she buys tiles there for $1.19 per tile. How many tiles must she buy for the cost to be the same at both stores?

70

Step-by-step explanation:

x = number of tiles

store1(x) = 0.59x + 42

store2(x) = 1.19x

so, the question is : for how many tiles are both cost functions the same ?

0.59x + 42 = 1.19x

42 = (1.19 - 0.59)x = 0.6x

x = 42/0.6 = 70

when buying 70 tiles the cost will be the same at both stores.

step-by-step explanation:

i think something is missing in your question because y-1=(x-12) would not pass through the point (-4,-3). because if you replace x by -4 your are supposed to find y=-3 which is not the case her. if you replace x by -4 you find =-15.

i assume the right equation is y-1=1/4*(x-12) because this one is passing through both your points (if you are interested to know how i found that out i can tell you).

in this equation if i replace x by -4 i find y=-3 and if i replace x by 12, i find y=1 so the line representing this equation is passing through those 2 points.

then the standard form of the equation is finding an expression of y in function of x

y-1=1/4*(x-12)

y=x/4-3+1

y=x/4-2

hope that .

do you confirm there was a mistake in the question?

correct answer is b. 27/8

step-by-step explanation: