ANSWER:⇒ ⁶¹/₂₀
Can also be wrote out like:⇒ 3.05, 3¹/₂₀
Formulate & Calculate:
⁶¹/₄ × ₅
Calculate the product or quotient:
⁶¹/₂₀
Answer:
4
Step-by-step explanation:
First generation: 3
Second generation:

Third generation:

Fourth generation:

And so on. The general formula for the

th generation is

. So by the 15th generation, you should expect around

geese.
It's is the Associative Property. I hope that helps!
N= Heidi's marbles
92 - n =18 (Barry's 92 marbles - whatever Heidi has = 18 marbles difference)
92 -n +n = 18 +n (I added n to each side)
92 = 18+n
92 -18 = 18-18 + n (I subtracted 18 from both sides)
74 = n Heidi has 74 marbles