Answer:

Step-by-step explanation:
Multiply across.

Then Simplify.

He used an incorrect time ratio converting hours to minutes.
Answer:
225 students are wearing school colors.
Step-by-step explanation:
1. we know that 75% or .75 of the students are wearing school colors.
2. to find what this number is we need to know what 75% of 300 is.
("of" is a keyword meaning multiply)
3. We can do this by multiplying:
300(.75) = 225
4
let the number be x
so by the question , 2x+5=13
solving this we get ,
2x=13-5
2x=8
so x=4
Answer:
0.1785
Step-by-step explanation: