12 is the answer your looking for
Just add all the numbers together and then multiple it by 3
Answer:
Okay Buddy again sigh*
- Solve 1 equation for 1 variable. ( Put in y = or x = form)
- Substitute this expression into the other equation and solve for the missing variable.
- Substitute your answer into the first equation and solve.
Okay Hope it helps Buddy!
Answer:
Step-by-step explanation:
22 liters of petrol to travel 259.6 km
1litres will travel 259.6/22 km
1litres will travel 11.8km
:2013.2km needs 2013.2/11.8litre
:2013.2km needs 170.61litres
And 1 liter of petrol costs $ 1.99
So 742.88 litres will cost $1.99×170.61
= $339.51
