Grace and Zoe like to jump rope grades jump 66 times a minute Zoe jumps 56 times a minute they both Count Their jumps today and together they jump 1266 times in the total of 21 minutes how long did each girl jump

Grace jumps for 9 minutes.

Zoe jumps for 12 minutes.

Step-by-step explanation:

Let the time for which Grace jumps the rope = minutes

Let the time for which Zoe jumps the rope = minutes

As per question statement:

Number of times Grace jumps in one minute = 66

Number of times Zoe jumps in one minute = 56

Number of times Grace jumps in minutes = 66

Number of times Zoe jumps in minutes = 56

As per question statement:

Multiplying equation (1) with 66 and subtracting equation (2) from it:

By equation (1):

Therefore, the answer is:

Grace jumps for 9 minutes.

Zoe jumps for 12 minutes.

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step-by-step explanation: