Ineed a answer to this now!
the ratio of blue to red chips is 4 to 3. the number of blue chips are doubled and now there are 15 fewer red than blue chips. how many red chips are there?

Can someone me do math because i am having a breakdown rn because i don’t get it

This is a map of the mars exploration rover opportunity predicted landing site on mars. the scale is 1cm : 9.4km. what are the approximate measures of the actual length and width of the ellipse? i mostly need to know how to set it up : )

If my mom gets $13.05 an hour, and she works from 3: 30 to 10: 45 in the morning, how much money does my mom make?