Well the sum is 15+6=21. then you must do 81-21=60. So your answer must be t=60.
18 = 2x + 4
2x = 14
x = 7
answer
first line: 1st box: 18 and 2nd box: 4
second line: $7 an hour
5x-1=19
1st you add the one over to the 19 and you'll get 20
then you do 5x=20
divide the 5x over to the 20 and your final answer is 4.
Answer:
3.1 degrees celcius
Step-by-step explanation:
5.6C-2.5C=3.1C