chin-ups

Chin-ups Philip Fitter Rintin Rep Barry Blue Tamara Knight Lydia Loo

Philip Fitter exercised each weekday.

On Monday he did 5 chin-ups.
On Tuesday he did 12 chin-ups.
On Wednesday he did 7 chin-ups.
On Thursday he did 14 chin-ups.

How many chin-ups did he do on Friday if his average (mean) for the five day week was 10 chin-ups per day?

Rintin Rep exercised each weekday this week. On Monday he did 5 chin-ups.

Each day his average number of chin-ups per day increased by one.

How many chin-ups did he do on Friday?

Barry Blue exercised each weekday this week. On Monday he did 5 chin-ups.

Each day his average number of chin-ups per day doubled.

How many chin-ups did he do on Friday?

Tamara Knight exercised each weekday this week. On Monday she did x chin-ups.

Each day her average number of chin-ups per day increased by one.

How many chin-ups did she do on Friday?

Lydia Loo exercised each weekday this week. On Monday she did x chin-ups.

Each day her average number of chin-ups per day doubled.

How many chin-ups did she do on Friday?


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Topics: Starter | Algebra | Averages | Problem Solving

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