Simplify both sides then isolate the variable
x=-18
Answer:
S-8=9
or, s= 9+8
or, S= 17
Because 8 is in - so to become it's positive sign we should bring it to right hand side
Answer:
2 minutes
Step-by-step explanation:
Write and solve an equation of ratios:
15 min 3 racks
---------- = -------------
x 36 racks
Solving this for x: 3x = (15)(36) => x = 180 minutes.
convert this into hours: 180 min 1 hr
------------ * -------------- = 3 hrs (answer)
1 60 min