Question

7.
Each day a runner trains for a 10 km race. On the first day she runs 1000 m, and then increases the
distance by 250 m on each subsequent day
(a) On which day does she run a distance of 10 km in training?
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Answer 1

Answer:

DAY 1 I THINK

Step-by-step explanation:

Answer 2

Answer:

Step-by-step explanation:

For first day 1000 m

2nd day 1250 m

a = 1000 m d=250 m

10000=1000+250 n-250

10000=750+250 n

250 n=9250

n=9250/250

n=37

Therefore she run 10 km on 37th day

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