Ms. li spent $840 on a vacation. she spent 2/3 of the amount on a train ticket and a 1/2 of the remaining amount on food. how much did she spend on the ticket and food all together

Karianne and lucius are analyzing a linear function on a graph. karianne says that unit rate is equal to rate of change, but that slope is calculated differently. lucius says that unit rate, rate of change, and slope are calculated the same way. who is correct? explain your answer.

With this one. will mark brainliest

Jane moves from a house with 71 square feet of closet space to an apartment with 45.44 square feet of closet space. what is the percentage decrease of jane’s closet space?