#66 : there are 40 cows and chickens in the farmyard. one afternoon jack, found that there were 100 legs in all, how many cows and chickens are there?
#70: if 6 less then four times a number is 64, what is the number?
#72: the sides of a rectangle are in the ratio 5:7 and tis perimeter is 96 cm. what is the area of rectangle in square centimeters?
#50 : micheal drove to a friends house at the rate of 40 mi ph he returned by the same route by the rate of 45mi/h , the driving time for the round trip was 4 h. what is the distance michael traveled?
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