In Chelsea's group, there are three boys and six girls. Write a fraction, in simplest form, to represent the amount of boys in the group. A. 2/3
B. 1/2
C. 2/1
D. 1/3
PLEASE EXPLAIN WHO EVER EXPLAINS OR HAS THE BEST EXPLANATION WILL GET BRAINLIEST

In the equations, a and b represent the price per night for a room in hotel a and hotel b, respectively, w weeks after september 1 last autumn. what was the price per night in hotel a when it was equal to the price per night in hotel b? a = 240 − 20w b = 320 − 30w

Write an algebraic expression to match each statement a. four less than 8 times a number b. twice the difference of a number and six c. nine from a number squared

Precalculus question, image attached.