Championship on primary school

A district championship for primary school pupils took place at an athletics stadium. They competed in four disciplines:
- long jump,
- high jump,
- 60 m run,
- 400 m run.

Peter counted from the stands the number of people present. Seventeen boys and 14 girls were at the long jump landing area, along with two judges. A total of 24 pupils took part in the high jump, with two more boys than girls, and three judges supervised the competition. For the 60 m run, the students were divided into 7 heats of five competitors each — 4 heats were all boys and the rest were all girls. There was one starter and one timekeeper. 26 competitors were preparing for the 400 m run.

a) How many people did Peter count in the stadium?
b) How many competitors were there in total?
c) Were there more competitors in the jumping events (high jump and long jump) or in the running events (60 m and 400 m)? By how much?
d) Peter found that the number of competing girls equals the number of competing boys. How many boys ran the 400 m?

Final Answer:

a =  123
b =  116
c =  6
d =  8

Step-by-step explanation:

a=17+14+2+24+3+7 5+2+26=123
b=17+14+24+7 5+26=116
A=17+14+24=55 B=7 5+26=61 B>A c=BA=6155=6
17+2+4 5+d=14+0+3 5+(26d)  2d=16  d=216=8  d=8



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