Answer:
10 pair
Step-by-step explanation:
20/2=10
10 pairs of students staying after school for extra credit
Answer: 10
pairs of two
figure 2
112people attended the 2nd meeting
28 times 4=112
Answer: £100×104/100×104/100×104/100×104/100×104/100×104/100×104/100
=131.59
$11
1.50 * 6 = 9
9 + 2 =11
Plus 2 is the starting charge