We have an equation: 270/?= 7.5/100
Cross multiply:
7.5*?= 270*100
⇒ ?= 270*100/7.5
⇒ ?= 3600
The total box office receipts is 3,600~
It’s B
If you need an explanation let me know!
<span>going downstream -
t = 14/(2 + v)
going upstream -
t = 7/(2 - v)
14/(2 + v) = 7/(2 - v)
(2 + v)/2 = 2 - v
v = 2/3km/h</span><span>
</span>
'is' in mathematics means equal
'of' in mathematics means multiplication
92% can also be written as 92/100
and we are solving for the variable 'x'