Alex has 2*4=<<2*4=8>>8 black marbles

Alex has 22/2=<<22/2=11>>11 yellow marbles

Alex has 8+11=<<8+11=19>>19 marbles

# Answer

19
Question:
Lorin has 4 black marbles. Jimmy has 22 yellow marbles. Alex had twice as many black marbles as Lorin and one half as many yellow marbles as Jimmy. How many marbles does Alex have?
Answer:
Let's think step by step.

user
19
Lorin has 4 black marbles. Jimmy has 22 yellow marbles. Alex had twice as many black marbles as Lorin and one half as many yellow marbles as Jimmy. How many marbles does Alex have?
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