mprjug6
15.11.2019 •
Mathematics
Eva tried to evaluate an expression step by step.
step 1
-79
- 2 4
step 2
step 3
find eva's mistake.
choose 1
©
step 1
®
step 2
©
step 3
eva did not make a mistake.
Solved
Show answers
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Ответ:
12 do both hurdles and long jump
Step-by-step explanation:
3/8 of the team does hurdles, so that number is 3/8·40 = 15.
Of those 15, 4/5 do long jump, so there are ...
4/5·15 = 12 . . . hurdlers who do long jump