Exercise 2.3.16

Answers

(a) The ages of $X$ and $Y$ are $x$ and $y : x - 2 y = 0$ and $x + y = 33; x = 22$ and $y = 11$

(b) The line $y = mx + c$ contains $x = 2, y = 5$ and $x = 3, y = 7$ when $2 m + c = 5$ and $3 m + c = 7 .$ Then $m = 2$ is the slope.

a + b + c = 4

mathchakra

2021-11-20 15:17