1. H+S=40
2. 19H+25S=922
From 1,
19H+19S=760
Subtract this from 2 to eliminate H,
19H+25S-19H-19S=922-760
6S=162
Solve for S, then use either equation to solve for H.
Step-by-step explanation: i will try t look for him but i have not seen him at all
Answer:
area=17cm^2
Step-by-step explanation:
Solve the individual boxes first.
2*1=2
3*5=15
2+15=17
17cm^2
You can count the marks on the line + the lower number to have the answer of 14
122 students is 40% of 305 students!! :)
