42/3=14 (price of one shirt) 100-20=80 (robert buys 5 shirt each costing 80% of the original price) 14/100x80=11.20 (price of one shirt with a 20% discount) 11.20x5=56 cost of all 5 shirts
You can't round 17 to the nearest tenth of an inch because 17 is a whole number.
Answer:
Diana approximately had 128 cards
Step-by-step explanation:
Let n be the number of cards Diana had. She knows that
- there are 17 kings among n cards
- 4 kings among 30 cards
Write a proportion:
Cross multiply:
Answer:
Step-by-step explanation: