A bag contains purple marbles and white marbles, 34 in total. The number of purple marbles is 1 less than 4 times the number of
1 answer:
There are 27 purple marbles
Step-by-step explanation:
Let p be the purple marbles
and
w be the white marbles
Then according to given statements
Putting p = 4w-1 in equation 1
Adding one on both sides
Dividing both sides by 5
Putting w = 7 in equation 2
Hence,
There are 27 purple marbles
Keywords: Linear equation
Learn more about linear equations at:
#LearnwithBrainly
You might be interested in
The answer is 2 ( choose 2 )
and how we find this answer? the picture is clearly for that.
Answer:
Option D.
Step-by-step explanation:
Borrowed $50 from your cousin. You pay him $8 and must pay him back within 12 weeks.
Let x be the amount paid on each week.
You can buy bags of pretzels in packages of 12. You $50 to spend, but want to have at least $8 left.
Let x be the amount of each package.
You owe your sister $50. You plan to pay her $12 a week till you owe her less than $8.
Let x be the amount paid on each week.
You have $50 to spend on clothes, but you need to save at least $8 for bus fare. You plan to spend the rest on shirts that cost $12 each (including tax).
Let x be the number of shirts
Therefore, the correct option is D.