A piggy bank contains only quarters and dimes. A representative sample has 6 quarters and 2 dimes. If there are 56 coins in the
1 answer:
You might be interested in
Answer:
Machine B
Step-by-step explanation:
Since, Machine A covers square feet in
hours,
Rate at which the Machine A is covering =
=
= 2.5 square feet per hour
Machine B covers square feet in
hours,
Rate at which the Machine B is covering =
=
=
= 3.33 square feet per hour
Therefore, Rate of Machine B is greater.
