40 + 30s = 220
30 for each student (s) and the one charge of 40 would get the tutor 220 dollars.
five pairs of jeans should cost $67.5
you can work it out or put in random numbers until the two sides are equal
Answer: 27.27 seconds?
Step-by-step explanation:
25 - 16.26 = 8.74
19/8.74 = 2.2 (Rounded up)
60/2.2 = 27.27
Answer:
Step-by-step explanation:
Time for first race 57.9seconds
x=time for first half of race
x-4.7=second half of race
Equations is
x + (x-4.7)=57.9
2x-4.7=57.9
2x=57.9+4.7
2x=62.6
x=31.3
Check answer
31.3 + (31.3-4.7)=57.9
31.3 +26.6=57.9
57.9=57.9
