Answer:
1 1/4= 1.25
1.25 + 2.75= 4
On the number line, 4 will be plotted
Answer: Jim is <span>15 years old
Jim = 15 years old,
</span><span>Dad is 4 times as old as his son Jim = = 15 x 4 = 60
In 10 years, Jim = 15 + 10 =25 years old
Dad = 60 + 10 = 70
</span><span>Dad's age will be 20 years more than twice Jim's age
</span><span>
Dad's age = 20 + 2(25) = 70
</span>
Answer:

Step-by-step explanation:
Solve for the value of
:

-Use <u>Distributive Property</u>:


-Take
and add it to
:


-Subtract both sides by
:


-Divide both sides by
:


Therefore, the value of
is
.
Answer:
11.7-11y
Step-by-step explanation:
3−4y+(−7y)+8.7
3-4y-7+8.7
11.7-4y-7y
11.7-11y