80 is 40% of 200 because 40%of 100 is 40. Common sense is just to double both values, also 200 x .40 (40%as a decimal) gives you the result of 80.
Answer:
39 Students
Step-by-step explanation:
Answer:
a) -11
b) 75
Step-by-step explanation:
a= -24-13=-11
b= 61-(-14)=75
Yes because you end up with 4,900 which is 70x70