Max makes a scale drawing of distance between salt lake city and arizona. the distance between salt lake city and arizona is 24.8 cm. if each 7 cm on the scale drawing equals 250 miles, how far are the salt lake city and arizona?

a) 24.8/7 =250/x; x = 70.56 mi

b) 7/250 = x/24.8; x = 0.69 mi

c) 250/25 = x/7; x = 70 mi

d) 7/250 = 24.8/x; 885.71

Option D. 7/250 = 24.8/x; 885.71

Step-by-step explanation:

we know that

Using proportion

77

Step-by-step explanation:

Substitution pretty much involves replacing a value (in this case, the letter x) with another value (from the set).

To make 3x = 231 true, we have to replace x with each element in the set and see if the equation holds.

{77, 78, 79}

77

3(77) = 231 This is correct

78

3(78) = 234 This is incorrect!

79

3(79) = 237 This is incorrect!