Answer:
The correct option is 'c' <em>cross-multiplication</em>
Step-by-step explanation:
Answer:
Wouldn't it be 45 minutes as well?
Step-by-step explanation:
If you think about it in a real life scenario, if one person does the job and then another person does the same job at the same speed wouldn't it be the same time? But if its not i think it would be 15 minutes because 45-30 = 15
4. The Jar Has More Coins. This is because to go from 10% to 8% the number of coins besides penny's has to increase
Please Make Me The Brainlyist!
Hello,
The method is to find the roots of the denominator.
x²-2x-15=x²+3x-5x-15=x(x+3)-5(x+3)=(x+3)(x-5)
Roots are x=-3 and x=5
Answer C
