Step-by-step explanation:
Richard and teo age is 51 years old
Answer:
it is a and j
1,3
1,3 is were they intersect, go sideways 1, and up 3
hope that this helps you and have a great day :)
21 students
90 x .10 = 9
80 x .15 = 12
9 + 12 = 21 students
