X = 1 hr lessons and y = 1/2 hr lessons
x + y = 35......y = 35 - x
40x + 25y = 1115
40x + 25(35 - x) = 1115
40x + 875 - 25x = 1115
40x - 25x = 1115 - 875
15x = 240
x = 240/15
x = 16 <=== there are 16 one-hr lessons
and 19 half-hr lessons
Answer:
Please see the attached picture ! :D
-------- HappY LearninG <3 ----------
ten tens are one hundred and then they both have 4 tens or forty
Answer: The y-intercept is an (x,y) point with x=0
Step-by-step explanation:
8.5
the tenth is the first digit behind the dot. 4 rounds down so the 5 stays a 5
