Step-by-step explanation:
A+80+15=180
A+95=180
A=180-95
A=85
B+85=180
B=180-85
B=95
Answer:
30
Step-by-step explanation:
100%-40%=60%
but 50 is half of 100 you half 60% to 30 people
Answer:
76
Step-by-step explanation:
(88+72+44+x)/4=70
88+72+44+x=280
204+x=280
x=76
Therefore, Tammy needs to score a 76 on her last test to get at least an average of 70.
Answer:
4x + 10
Step-by-step explanation:
When we substitute a specific valuefor each variable, and then perform the operations, it's called evaluating theexpression. Let's evaluate theexpression 3y + 2y when 5 = y. Click on the steps to see how it's done. Perform the operations, to find the value of the expression.
