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Answer» Answer: 36. let the TOTAL number of deers be X. deers grazing= X/2 deers playing nearby = 3/4 * X/2 = 3x / 8 rest deers drinking WATER = 9 therefore , x/2 + 3x/8 + 9 = X 4x/8 + 3x/8 + 72/8 = X (7x + 72)/8 = X 7x +72 = 8x 72 = 8x - 7x 72 = X therefore total number of deers in the herd is 72

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Answer»

Answer:

36. let the TOTAL number of deers be X.

deers grazing= X/2

deers playing nearby = 3/4 * X/2

= 3x / 8

rest deers drinking WATER = 9

therefore ,

x/2 + 3x/8 + 9 = X

4x/8 + 3x/8 + 72/8 = X

(7x + 72)/8 = X

7x +72 = 8x

72 = 8x - 7x

72 = X

therefore total number of deers in the herd is 72