Answer:
(-14,-20)
Step-by-step explanation:
hope it helps!
The baby gains 3.25lbs in the last 4 months.
This problem can be solved by simple subtraction. Take the total amount and subtract the 4 month increments in order to find the find 4 months.
Total = 1st 4 months + 2nd 4 months + 3rd 4 months
11 = 4.25 + 3.5 + 3rd 4 months
11 = 7.75 + 3rd 4 months
3.25 = 3rd 4 months
Answer: The solution set is 
Step-by-step explanation:
The product of 7 and x is
.
3 more than the product of 7 and x is
.
We were given that, the expression is less than 26.
This implies that,
.
We group like terms to obtain,

we now divide through by 7 to obtain,

We finally write this as a mixed number to obtain,

If Ben is 7 years old your going to do 7×2+5 to get Teresa's age then you add her age to his age. so your going to multiply 7×2 and add the answer of 7×2 to 5.