Advanced ($10): A
Door ($13): D
Money: 10A + 13D = 544 ⇒ 1(10A + 13D = 544) ⇒ 10A + 13D = 544
Quantity: A + D = 46 ⇒ -10(A + D = 46) ⇒ <u> -10A - 10D</u> = <u>-460 </u>
3D = 84
D = 28
Quantity: A + D = 46 ⇒ A + (28) = 46 ⇒ A = 18
Answer: advanced = 18 people, at the door = 28 people
Collins’ new shoes were 3 times the amount of his lunch. You’re welcome!
Answer:
which ones do you need answered? all of them? want to help
Step-by-step explanation:
a) 16, 19, 22, 25, 28, 31, 34, 37, 40
b) 1, 3, 9, 27, 81, 243, 729, 2187
a) Add 3 on every number.
b) Multiply every number by 3.