Of 800 people who visited the zoo on Monday 65 percent were children. How many visited the zoo on Monday?

if 800 people visit zoo

64% were children

so = 65/100 ×800

65×8=520

no of children =280

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x = -4

step-by-step explanation:

- 20 - 4(x + 3) = 4x

=> -20 - 4x - 12 = 4x

=> - 32 -4x = 4x

=> -32 = 4x + 4x

=> - 32 = 8x

=> -32/8 = x

=> -4 = x