<span>X= math problems
y= science problems
x +y =42
x= y+10
Substitute: (y+10) + y =42
Combine y: 2y +10=42
Solve for y: y= 16
There are 16 science questions and 26 math questions</span>
Hey I tried, hope it helps... can't work it out, all the best
Answer:
Child bye
Step-by-step explanation:
1 pack of 12 will give 4 students their pencils. 20/4 = 5