Ask question

Ask question

All categories

Karo-lina-s [1.5K]

3 years ago

14

Drake spent $540 on books. Math books cost $60 and science books cost $80. If he bought a total of 8 books, how many of each kin

d did he buy?

2 answers:

d1i1m1o1n [39]3 years ago

7 0

System of equations
(m + s = 8)60
60m + 80s = 540
60m + 60s = 480
20s = 60, s = 3
m + 3 = 8, m = 5
Solution: he brought 3 science and 5 math books

PIT_PIT [208]3 years ago

6 0

Answer:

He bought 4 in total

You might be interested in

How many quarters are thee in 4 1/2

Neko [114]

Hi there!

quarter:18

<u><em>1.Find common denominator in 4 and 1/2:</em></u>

<u><em /></u> $4=\frac{1}{4}$ <u><em /></u>

<u><em /></u> $\frac{1}{2}=\frac{2}{4}$ <u><em /></u>

<u><em>2.Convert 4 2/4 into mixed number:</em></u>

<u><em /></u> $4\frac{2}{4}=\frac{18}{4}$ <u><em /></u>

<u><em>3.Divide 18/4 by 1/4:</em></u>

<u><em /></u> $\frac{18}{4}*\frac{1}{4}=18$ <u><em /></u>

Therefore, there is 18 quarters in 4 1/2.

4 0

3 years ago

Use the number line to determine the sum <br> −6+4.

N76 [4]

Answer:

-2

Just put the point to -2.

3 0

4 years ago

Read 2 more answers

Please help I’ll give brainliest

Harlamova29_29 [7]

Your answer is he earned $183.7

6 0

3 years ago

Read 2 more answers

Why is two solutions for x>6

wariber [46]

If x is greater than for than it has to be somwthing more than four.
Answer=all the numbers that are after 6
123456(7,8,9...)
ANSWER: 8 AND 10

3 0

3 years ago

Read 2 more answers

Plz help fast I need the done don’t understand

Kaylis [27]

(a) 5
(b) 8
(c) 9

Idk the options for the (Choose one) sorry.

7 0

3 years ago