Six friends are going to sit together in a roller coaster car that has six seats in how many different arrangements can they sit
1 answer:
You might be interested in
I’ve attached a photo, with the instructions. Hope it helps. If you have any questions don’t hesitate to ask
Jenna has $43 and Heidi has $17.
Step-by-step explanation:
Total amount = $60
Let,
Amount of Jenna = x
Amount of Heidi = y
According to given statement;
x+y=60 Eqn 1
x=2y+9 Eqn 2
Putting value of Eqn 2 in Eqn 1;
Dividing both sides by 3,
Putting y=17 in Eqn 2
Jenna has $43 and Heidi has $17.
Keywords: linear equations, substitution method
Learn more about substitution method at:
#LearnwithBrainly