The price of gasoline has risen for two months. Its original price in January was $3.50 / gallon. In February, its price
increased by 20%. In March, its price increased by 25% of its
price in February. Find its price in March.

answer: asdfghjkl,mnbv

step-by-step explanation:

tip $2.90

total $17.40

step-by-step explanation:

this can be solved first with pythagorean theorem, which tells us to square both legs of the triangle and sum it. this will be equal to the square of the hypotenuse.

the hypotenuse is the side "opposite" the 90 degree angle, which is x.

so we can write using pythagorean theorem,

simplifying:

to further simplify this radical, we need to use the property  

thus