An education center offers a total of 400 math, physics and chemistry courses. The ratio of the number of math to physics to chemistry is 3:4:3. The cost of a physics class is 20$ per classes if you took all 400 classes, it would cost a total of 9,800$. What is the price of each chemistry class

it will cost dollar $540

the living room is 3 which means if we divide 325/3 then we get $108

therefore if 1part of the living room cost $108 and 3 costed $325

then total 5part of the room will cost 5*108 which gives $540

answer:

125 yards

explanation:

75+50=125. that is my answer

$5.41

step-by-step explanation:

$20 - $14.51 = $5.49.

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step-by-step explanation:

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