It would be 1 one hundred or 1 because 128 in expanded form is
100+20+8. Only 1 one hundred is used is in the number 128. If the number was for example 310, it would be 3 one hundreds. The answer is 1 one hundred or 1. Hope I helped.
Answer:
Jeff mows 9 yards of lawn in 30 minutes
Step-by-step explanation:
The equation that models the amount of time (t) in minutes it takes Jeff to mow an average sized yard is
, where n is the number of yards he mows.
To find the number of yards Jeff mows in 30 minutes, we set the equation to 30 and solve for n.

Add -12 to both sides:


Divide both sides by 2


Hence Jeff mows 9 yards of lawn in 30 minutes.
Answer:
multiply a term by 2 and add 1 to get the next term
Step-by-step explanation:
3×2=6 +1 =7
7×2=14+1= 15
15×2=30+1=31
Answer:
I think its 40 I could be wrong
Step-by-step explanation:
I had subtract 80 and 40