Math
posted by Jaz
Please help solve and explain it, thank you.
1. Juan, Steve and Gabriella bought a total of 30 markers at an art store. Juan bought 3 more markers than Steve. Gabriella bought 7 times as many markers as Steve. How many markers did each buy?
2.

Steve
j+s+g = 30
j = s+3
g = 7s
s+3 + s + 7s = 30
9s = 27
s = 3
so, j=6 and g=21
Respond to this Question
Similar Questions

algebra
Rachael bought 12 pencils and 7 markers for $5.36, and later bought 8 pencils and 5 markers for $3.68. Find the cost of each pencil and marker. 
math
Juan, Steve, and Gabriella bought a total of 30 markers at an art store. Juan bought 3 more markers than Steve. Gabriella bought 7 times as many markers as Steve. How many markers did each buy. 
Math
Ms. Compra bought 5 markers for $4.75. At this price how much will 4 markers cost? 
math
A box contained some red, blue, and green markers. For every 5 red markers, there were 2 blue markers. For every 3 blue markers, there were 5 green markers. a. Find the ratio of red markers to blue markers to green markers. b. When … 
Math
can someone please help me solve Miguel has a box of markers for coloring. He is using 1/4 of the markers and his friend Kevin is using 3/4 of the markers. The fraction of the markers left in the box is 
Math
A box contained some red, blue, and green markers. For every 3 red markers, there were 2 blue markers. For every 3 blue markers, there were 7 green markers. A) Find the ratio of red markers to blue markers to green markers. B) When … 
math help please
An art teacher had a total of t markers. He gave an equal number of markers to each of 18 students and had 16 markers left over. Which equation could be used to find n , the number of markers each student received? 
Math
Mrs.Carter bought 7 dry erase markers for $40. How much would 20 markers cost ? 
algebra
The ratio of Natalie’s markers to Susan’s markers was 5:3 at first. After Natalie gave 25 markers to Susan, they had an equal amount of markers each. How many markers did they have altogether? 
math
Pete recently bought whiteboard supplies for employees in his office. He spent $140 on whiteboards, markers, and erasers. The markers came in packs of 5, which cost $6 per pack. One (1) eraser was 1/3 of the cost of 1 pack of markers …