0.5(x−12)+0.2(x+7)=0.3x+3.4
x=

12x(x+2)−5(2x−1)
x=

3 1/8 ÷(x−4 7/28 )= 17/18 +1 5/6
x=

answer this in less then 20 minutes!

It takes jonas 7 1/4 minutes to run the mile. it takes mario 8 5/12 to run the mile. how much faster is jonas than mario? 5/6 minute 1 1/3 minutes 1 1/6 minutes 1 1/2 minutesi will give points and brainlest

Solve the formula ax+ by = c for x.

Becca wants to mix fruit juice and soda to make a punch. she can buy fruit juice for $3 a gallon and soda for $4 a gallon. if she wants to make 28 gallons of punch at a cost of $3.25 a gallon, how many gallons of fruit juice and how many gallons of soda should she buy?