Question

Lupe’s heart beats 288 times in 4 minutes. How do you write an equation to represent the number of times her heart beats per minute?

Answer 1

Hint: We are given the rate of Lupe’s heart beat as 288 times in 4 minutes. Using the given data, we have to find the heart beat per minute. Here, we will divide the 288 by 4 and the resulting answer from the expression will give us the number of heart beats per minute. Hence, we will have the value of her heart beats per minute.

Complete step-by-step answer:
According to the question, we are given that Lupe’s heart beat 288 times in 4 minutes. That means, for a duration of 4 minutes the heart pumped for 288 times. Using the given values, we have to find the number of times her heart beats per minute.
We can use the unitary method to find the number of heart beats per minute.
We have,
In 4 minutes, the number of times Lupe’s heart beats \[\to 288\] times
So, in 1 minute, the number of times Lupe’s heart beats \[\to \dfrac{288}{4\min }\times 1\min \]
The units will get cancelled and we proceed the calculation as follows,
\[\to \dfrac{288}{4}=72\] times.
Therefore, the number of times Lupe’s heart will beat in 1 minute is \[72\] times.

Note: The calculation should be done correctly. And also, if the question had been to find the Lupe’s heart beats in 3 minutes, then we would have first calculated the heart beat per minute as we did in the above solution and then multiplied the answer by 3. Hence we will have the Lupe’s heart beat in 3 minutes.