3(x−5)/2=2(x+5)/3
Cross-multiply.
(3(x−5))/2=(2(x+5))/3
3(x−5)*(3)=2(x+5)*(2)
9x−45=4x+20
Subtract 4x from both sides.
9x−45−4x=4x+20−4x
5x−45=20
Add 45 to both sides.
5x−45+45=20+45
5x=65
Divide both sides by 5.
5x/5=65/5
x=13
3 people x 8 hours is 24 hours / 5 people = 4 hours and 48 minutes
ANSWER
6(9) + 6(2)
EXPLANATION
We want to find the equivalent expression to the given expression using the distributive property.
The distributive property states that:
This means that we use the number outside the bracket to multiply each of the numbers in the bracket. That is:
That is the equivalent expression by Distributive property.
A = P(1 + r) Aim #82: What is compound interest? Homework: Handout Do Now: Kyra invested $15,000 of her money at a 1.8% per year bank rate. Write an equation that represents Kyra's account balance after t years. What is Kyra's account balance, to the nearest cent, after: Year 1? Year 2? Year 3? Year 4? Year 5?