The correct answer is B. 8 + 8 + 8 + 8, OR 4*8
<span>Each time he descends 4 rungs on the ladder, he stops to see how much farther he has to go, AND HE STOPS 8 TIMES, SO correct answer is 8*4 = 32 </span>
He would have 21 before he bought the 10 stamp because 31-10=21
Answer:

Step-by-step explanation:
Notice that with the provided information they are given you not ust the slope of the line (-2), but also the y-intercept (the point where the line crosses the y-axis which happens when x=0).
So you can directly write the equation of the line in slope-intercept form [
where "m" is the slope and "b" the y-value when x=0].
Such gives us:

Answer:
15 dimes
Step-by-step explanation:
6 quarters = 6 * .25 = 1.50
a dime equals .10
d * .10 = 1.50
Divide each side by .10
d = 1.50/.10
d = 15
15 dimes