36 girls
step-by-step explanation:
the 48 boys is 4 parts of the ratio
divide 48 by 4 to obtain one part of the ratio
= 12 ← 1 part of the ratio
3 parts = 3 × 12 = 36 ← number of girls
b
write an equation for the line of best fit. then predict the number of milk cow operations in the year 2005.