At the city museum, child admission is $5.60 and adult admission is $9.10 . on tuesday, twice as many adult tickets as child tickets were sold, for a total sales of $523.60 . how many child tickets were sold that day?

1. d.90

2. e. none of these (80)

3. a. 0

4. b. 6

5. e. none of these (10)

6. a. 5

37 = ending with 7

unit's digit in the cube..3

56 = ending with 6

unit's digit in the cube..2

133 = ending with

unit's digit in the cube..7

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