Find the equation of the line below. If necessary, use a slash ( / ) to indicate a division bar. Answer here

Can someone answer it, and plot it, for 20 points and brainliest answer? p.s. they're the same ! : )

Ageologist had two rocks on a scale that weighed 4.6 kilograms together.rock a was 0.5 of the total weight.how much did rock a weigh?

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?