To solve 43/8 + 17/10 the easiest method is to convert the mixed numbers to improper fractions, add these (by finding a common denominator) and converting the resulting improper fraction back to a mixed number:
43/8 = 35/8
17/10 = 17/10
=> 43/8 + 17/10 = 35/8 + 17/10
= 175/40 + 68/40
= 243/40
= 63/40
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The simplified expression is 40 - 12s
(4s + 1)(4s + 1) or (4s + 1)2
we have the numbers 1-10 on each of 4 suits of cards, the others are Jack,Kind and Queen. So there are fours 2s, fours 4s four 6s four 8s and four 10s which is 4x5 or 20 even cards.. There are also 20 odd ones, so 40 even and odd then add 4x3=12 J,K, Q and you have 52 cards
888 + 88 + 8 + 8 + 8 = 1000
There are 50 8s in 400