solve by graphing
20x+40y=240.00
10x+80y=300.00

Question

solve by graphing
20x+40y=240.00
10x+80y=300.00

anonymous · Answer

@mathmath333

mathmath333 · Answer

20x+40y=240.00
10x+80y=300.00

can be simplified as

x+2y=1200
x+8y=3000

anonymous · Answer

okay thank you

mathmath333 · Answer

anonymous · Answer

thats what i did but i made 3000 into a decimal and i didn't want that i thought i had to simplify the whole thing

mathmath333 · Answer

notice the intersecting point in the graph that will be the answer

mathmath333 · Answer

error 

it will be this

x+2y=12
x+8y=30

anonymous · Answer

how did you get 30 what did you divide it by

mathmath333 · Answer

mathmath333 · Answer

2nd equation is this right ?

10x+80y=300

anonymous · Answer

yes

mathmath333 · Answer

divide it by 10

anonymous · Answer

ooo i thought i had to divide everything by 80y so i can get it by itself

mathmath333 · Answer

in question it is given that u need to solve it by graphing

mathmath333 · Answer

so u have to take 2 points of each equation and graph it on paper of pc whatever ur master told u

anonymous · Answer

okay thank you