If y varies directly with x, means that they can be modeled by a linear equation, lets choose a line with 0 y intercept, that is:
y = mx + b
y = mx
where m is the slope of the line, now we plug in the data we have:
y = mx
20/3 = m(30)
solving for m:
m = (20/3)(1/30)
m = 20/90
m = 2/9
so the line equation, or function modeling the y and x relationship is:
y = (2/9)x
Answer:
20
2
Step-by-step explanation:
lets substitute the value of x and y in the equations:
5 + 15 =20
1 + 1 =2
Answer:
That's a simple question.
Well, we know that the number of tennis ball are 9 which are to be put in 3 cans
So the the rate of number of tennis balls to number of cans will be= number of balls/number of cans= 9/3
In order to find out the number of balls per can just simplify them= number of balls/number of cans =9/3 = 3 balls per can
So there will also be 3 tennis balls in one can
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Step-by-step explanation:
