In mathematics, a rational number is a number that can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q. Since q may be equal to 1, every integer is a rational number.
Answer:
It takes 46 minutes for 10 people to paint 3 walls
It takes 92 minutes for 10 people to paint 6 walls (twice as long because you have twice as many walls)
You only have 4 people to paint the walls instead of 10 people
Therefore it will take 2.5 times as long (10/4=2.5)
2.5*92=230 minutes
Given:

Prove:

Solution:

Putting the value of equation (ii) into the equation (i):

putting the value x into the equation (i):

Therefore, the value of x= 4
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Answer:
C. There were 6,27 times as many people who visited the aquarium on the seventh day as on the first day.
Explanation:

I am joyous to assist you anytime.
Answer:
You can do this. It's actually pretty simple
Step-by-step explanation:
You are given 3 hours. and you re told 5 kph or kilometres per hours.
3 replaces the x variable. You can take it from there and for sure you'll get the answer you want for y