What set of numbers contains -3 but not 0.3 with the thing on top? The set of ___
1 answer:
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Answer:
80 countries participated in the 1980 olympics in Moscow.
Step-by-step explanation:
Hello, I think I can help you with this
You can solve this by using a simple rule of three
Step 1
define
140 countries participated in 1984,this was 75% more than the last time,this means that 140 is the 175% of a value that we need to know
if
140 ⇔175%
x? ⇔100%
the relation is
Step 2
solve for x
80 countries participated in the 1980 olympics in Moscow.
Have a nice day