Answer:
First 15+4 which equal 19 and then multiply by 3 which equal 57
Step-by-step explanation:
Answer:
It would be <u>1/7</u>
Because since it’s 2/7, half of 2 is one
easy claps!!
Answer: 30=2x+4 and there are 17 girls in the class.
Step-by-step explanation: if x+4=[total girls] and x=[total boys] and 30=[total kids], then x+4+x = 2x+4 = [total kids], since total kids id 30 then our equation is 30 = 2x + 4 and x= 13boys so 30-13= 17girls.
It's BASIC prealgebra so you should probably practice bit more with linear equations!
Answer:

Step-by-step explanation:
Given
We need to find the expression for
in simplest form. Hence we plug in the substitutions into the expression and simplify:

2nd answer choice is right.