Question

An elephant in a zoo eats about $43$ kg of hay each day. The caretaker of the zoo with $4$ elephants has $6000$ kg of hay for the month of February, 2020. Using your estimation skills answer:

Is the caretaker having sufficient hay for the month of February, 2020 or not?

Answer 1

Step 1: Finding the hay required each day for $4$ elephants.

One elephant eats about $43$ kg of hay each day.

$4$ elephant need hay for one day

$$\begin{gathered} =4\times 43 \\ =172kg \end{gathered}$$

So $4$ elephants eats about $172$ kg of hay each day.

Step 2: Finding the hay required for the month of February, 2020.

February, 2020 has $29$ days in calendar.

So the elephants require

$$\begin{gathered} =172\times 29 \\ =4988kg \end{gathered}$$

Therefore the hay required for the month of February, 2020, is $4988$ kg

Hence, the caretaker has sufficient hay for the month of February, 2020.