#fraction i think
39 messages · Page 1 of 1 (latest)
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just add all frequencies to get total number people, then add number of ppl in columns less than 20mins and put it in a fraction
to put it in a fraction, do it like this: if number of ppl who spent less than 20mins exercising = a, number of total people = b then its $\frac{a}{b}$
wolfqz
how is there 1 less than 20mins
1st one
but $10 \leq t < 20$ also fits the less than 20mins category
wolfqz
so 6 people who exercise less than 20mins
nope
more
than that
because if u exercise between 10 and 20mins thats still less than 20mins
so 20/35
like cancel out the common factors
u know how $\frac{2}{4} = \frac{1}{2}$ do the same here
wolfqz
4/7?
yes''
yh