Fill in the blanks.
Adam has 20 more than 3 times as many marbles as Bryan.
Let the number of marbles that Bryan has be 1 u.
- Number of marbles that Bryan has = 1 u + _____
- Number of marbles that Adam has = _____ u + 20
- Number of marbles that Adam and Bryan have = _____ u + 20
(a)
Change X times and more than or less than into units.
Number of marbles that Bryan has
= 1 u + 0
(b)
Number of marbles that Adam has
= 3 u more than 20
= 3 u + 20
(c)
Number of marbles that Adam and Bryan have
= 3 u + 20 + 1 u
= 3 u + 1 u + 20
= 4 u + 20
Answer(s): (a) 0; (b) 3; (c) 4