Problem: isabella is buying art supplies the table shows the prices for the items she buy |table : glass beads $0.28 per ounce $0.95 paint brush 0.75$ poster board jar of paint $0.99. she spends 2.25 on poster boards how many does she buys part b isabella spends $4.87 on paint brushes and paint how many of each item does she buy explain how u found it answer. can’t figure it out need !

the complete question in the attached figure

Part A

we know

price poster boards----------- > $0.75

let

p------------- > number of poster boards

q------------- > money spends on poster boards----------> $2.25

q=p*0.75---------> p=q/0.75=2.25/0.75=3

the answer part A is 3

Part B

Let 

x-------------- >number of paint brushes------------ > $0.95

y-------------- >number of jar of paint ------------ > $0.99

we know

0.95x+0.99y=4.87

using a graph tool

see the attached figure

the solution is the line shown in the graph

just take the area of the square and then the area of the circle then subtract the circle area from the squares area

step-by-step explanation:

it would be 3 ÷by 6 because the number on each side