Answer:
68
Step-by-step explanation:
1) Plug In (when you plug in you replace the defined variable with the number given. usually you have to find the numbers to plug in but since they're already given to you you just plug them in.) 4(3) + 8(7)=T T= total cost
2) Multiply 4*3=12 8*7=56
3) Add 12+56=68
4) <u>T=68</u>
Answer:

Step-by-step explanation:
GIVEN: Emma started biking to the coffee shop traveling
, after some time the bike got a flat so Emma walked the rest of the way, traveling
If the total trip to the coffee shop took
and it was
away.
TO FIND: how long did Emma travel at each speed.
SOLUTION:
Let the distance traveled by Emma through bike is 
Total time taken when traveled by bike 
Distance traveled through feet 
Total time taken when traveled by feet 
Now,
Total time taken 



Distance traveled through feet 
Hence distance traveled using bike is
and by feet is 
Answer:
a
Step-by-step explanation:
$1200 multiplied by .10=120, So 1200 minus 120 will give you your answer
Answer:
[See Below]
Step-by-step explanation:
Multiply 7 by 5.
*35
Now add n to it.
*35 + n