Question

The distance a car travels varies directly with the number of hours driven. If a car travels 210 miles in 3 hours, write an equation to represent this direct variation

Answer 1

?????

Answer 2

210=70(3)+b

can you solve for b?

Answer 3

this
i have more can u help

Answer 4

i could try lets try finishing this one first,, so solve for b

Answer 5

how do i do that

Answer 6

simplify 70*3 then subtract from both sides to solve for b...

Answer 7

do it x the numbers

Answer 8

yes multiply 70 and 3

Answer 9

is 210

Answer 10

yes so now subtract 210 from both sides of the equal sign

Answer 11

what does that look like the equal sign

Answer 12

70-210 is -140

Answer 13

and 3 - 210 is -207

Answer 14

no 210-210=210-210+b

so b=0

so our equation is y=70x

Answer 15

omg thank you

Answer 16

do u have more time ?????

Answer 17

no problem, yea post a new thread and tagg me in it

Answer 18

ok