Calib received $50 for his birthday and put it in his piggy bank. Each week, he puts 2 more dollars in his bank. The amount of money in dollars D in his bank is given by D = 2w + 50
where w is the number of weeks he has saved 2 dollars. His sister Lara makes a table of reasonable values for w. Lara selects 14 as a value for w.

What is the corresponding table entry for D?

A.
66

B.
78

C.
57

D.
264
@Destinymasha

Question

Calib received $50 for his birthday and put it in his piggy bank. Each week, he puts 2 more dollars in his bank. The amount of money in dollars D in his bank is given by D = 2w + 50 
where w is the number of weeks he has saved 2 dollars. His sister Lara makes a table of reasonable values for w. Lara selects 14 as a value for w.
 
What is the corresponding table entry for D?
 
 A.
66
 
 B.
78
 
 C.
57
 
 D.
264
@Destinymasha

anonymous · Answer

Plug 14 in W
D=2W+50
D=2(14)+50
D=28+50
D=78