You will have to multiply 42x $5.95 and its $249.9
For A I think it should be 0.16 you just have to look at the chart
She swims for 2.5 hours at a rate of 2 km/hr
Multiply 2.5 * 2 = 5 km
Answer:
$1.6
Step-by-step explanation:
We need to find the cost of 80 cm of copper pipe at $2 a metre.
Cost of 1 metre = $2
80 cm = 0.8 m
It means,
0.8 m = $2 × 0.8
= $1.6
So, the cost of 80 cm of copper pipe is equal to $1.6.