Answer:
(a) 0.2707
(b) 0.8576
Step-by-step explanation:
Add these eqn and then you have to cancel out (y) after that add x and 2x which is equal to 3x and also add RHS i.e.30 and divide it by 3
3.1
the number of trucks reading horizontally from the vertical scale is
2 + 2 + 3 + 3 + 3 + 4 + 5 = 22
average number of trucks =
= 3.1 ( to 1 dec. place)
Calculators op. 585/18=32.5