Answer:
<em>r = 0.055555.....</em>
Step-by-step explanation:
3(1+6r)=14-12 Write out formula.
3+18r=2 Distributive Property Form.
(3-3)+18r=2-3 Subtract 3 to both sides.
(18/18)r=-1/18 Divide both sides by 18
r=0.055555..... or -1/18.
is in the picture above
Hope it helps
let x be chips and y be sodas
8x + 4y = 5 ---> for the first hint
4x + 8y = 7------> second hint
0.25 cents is how much chips costs
and 0.75 cents is how much sodas costs
