8. When a student multiplied the number 66 by the repeating decimal 1.abab... = 1.ab.
where a and b are digits, he did not notice the notation and just multiplied
66 times 1.ab. Later he found that his answer is 0.5 less than the correct
answer. What is the 2-digit integer a b?
(A) 15
(B) 30 (C) 45 (D) 60 (E) 75

The skating rink rented 872 pairs of skates during april and may.why? : if the skating rink rented three times the pair of skates in april during may, they rented 654 skates. 218 x 3 = 654then, if they want to know how many they rented during both april and may, then you just add 654 (may) and 218 (april) to give you 872 pairs of skates for both months.654 + 218 = 872hope this !

Well if you’ve already proven it, all i can give you is tips. in a paragraph proof just remember to use words like therefore, because, and since to bridge the gap between a statement and it’s reason in a paragraph proof.