Answer:
2x+15y=
Step-by-step explanation:
something like that
160in 5x8=40x4=160 is the answer to ur question
Answer:
it would be -3 is less than x
Step-by-step explanation:
because -3 is negitive and x is positive so -3 is less than x can you mark brainlist if im right
Answer:
11 years old
Step-by-step explanation:
If four brothers have the average age 6, then the sum of their ages is

years.
Let x years be the age of sister. If four brothers and their sister have the average age 7, then

Multiply this equation by 5:

The sister is 11 years old.
Answer: 40%
Step-by-step explanation: 100 ÷ 5 = 20 so 20 × 2 = 40