Answer :
Tatiana signed 15 cards so there were, 16 cards left.
Answer:
Step-by-step explanation:
Let x be the number of cards
Given:
Emily = 2/5 of x
Josh, Tj = 1/9 × (1 - 2/5 × x)
Tatiana = 20/100 × (1 - Tj)
Therefore, x = 75
Emily signed = 2/5 × 75
= 30
Card left unsigned = 75 - 30
= 45
Josh signed = 1/9 × 45
= 5
Card left unsigned = 45 - 5
= 40
Tatiana signed = 1/5 × 40
= 8
Card left unsigned = 40 - 8
= 32
Cards not signed = 32