A zoologist is recording the loss of deer in a forest. She notes the number of deer, d, in the forest on January
1. One year later, there were 73 deer in the forest, which is 19 fewer deer than were in the forest a year earlier. Which equation represents this situation?
a. d+19 = 73
b. d – 73 = –19
c. 73 – d = 19
d. d – 19 = 73

Respuesta :

Answer:

D. d-19=73

Step-by-step explanation:

K12

The equation that represents this situation is d – 19 = 73

A linear equation is in the form:

y = mx + b;

Where y, x are variables, m is the slope and b is the y intercept.

Let d represent the number of deer in the forest on January  1.

Since there were 73 deer in the forest, which is 19 fewer deer than were in the forest a year earlier, hence:

d - 19 = 73

The equation that represents this situation is d – 19 = 73

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