Three brothers were doing their summer reading. The oldest brother read 48 pages of a book in 60 minutes. The middle brother read 18 pages in 14.4 minutes. The youngest brother read 5 pages in 4 minutes. Which brothers are reading at the same constant of proportionality? Write an equation to represent the situation

oldest: 48 pages / 60 mins = 0.8 pages / min

middle: 18 pages / 14.4 mins = 1.25 pages / min

youngest = 5 pages / 4 mins = 1.25 pages / min

The middle brother and the youngest brother are reading at the same constant of proportionality.

let x = minutes spent reading.

let y = total pages read.

y = 1.25x

f(x) is the value of the function. b is the value of the function when x equals zero or the y-coordinate of the point where the line crosses the y-axis in the coordinate plane.

step-by-step explanation:

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. + λrh() e 1 1 2 4 4 4 4 4 3 4 4 4 4 4 + th−1(− s(x)2 dx ω + λrh−1() e 2 1 2 4 4

step-by-step explanation: