Question

If p = 0. 2, q = 0. 3 and r = 0. 1, find the value of 5p − 2q + 2r

Answer 1

Step-by-step explanation:

= 5(0.2) - 2(0.3) + 2(0.1)

= 1 - 0.6 + 0.2

= 1 - 0.8

= 0.2

Answer 2

Step-by-step explanation:

5p-2q+2r

5×p-2×q+2×r

5×0.2-2×0.3+2×0.1

1-0.6+0.2

0.4+0.2

= 0.6