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Mademuasel [1]
3 years ago
10

PLS HELP! WILL GIVE BRAINLIEST

Mathematics
1 answer:
Zepler [3.9K]3 years ago
3 0

Answer: do 2.1 times 100 than that answer times 0.6

Step-by-step explanation:

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At a bake sale, as student spent $11.00 buying 3 brownies and 5 cookies. His friend spent $3.95 buying 1 brownie and 2 cookies.
dybincka [34]

Answer:

$2.25

Step-by-step explanation:

Let "b" be the price of 1 brownie and "c" the price of 1 cookie.

At a bake sale, a student spent $11.00 buying 3 brownies and 5 cookies. Symbolicaly,

3 b + 5 c = 11.00   [1]

His friend spent $3.95 buying 1 brownie and 2 cookies. Symbolicaly,

1 b + 2 c = 3.95

b = 3.95 - 2c   [2]

If we replace [2] in [1], we get

3 (3.95 - 2c) + 5 c = 11.00

11.85 - 6c + 5c = 11.00

c = 0.85

If we replace c = 0.85 in [2], we get

b = 3.95 - 2 (0.85) = 2.25

8 0
3 years ago
What is 1+5+6+2+9+126+35+83+21+278-567+1189
Sladkaya [172]
The answer is 1188.

Hope it helped :)
7 0
3 years ago
Read 2 more answers
Rosa has 3 3/4 pounds of dough. She uses 1/8 of a pound for one roll. How many rolls could be made from Rosa's dough?
Vlada [557]
3 3/4 pounds so 3×3/4 = 2 1/4(mixed fraction)
2 1/4÷ 1/8= 2 1/4 × 8/1
for fraction division, yo
u keep the first fraction and flip the second fraction around. than you change the divide sign to multiply sign to find the answer
5 0
3 years ago
<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B20%7D%7B16%7D%20%2A%20100" id="TexFormula1" title=" \frac{20}{16} * 100" alt=" \f
mart [117]
125% because sixteen is equal to a whole which is equal to one-hundered and one fourth of sixteen is four and sixteen plus four is twenty. one fourth of one-hundered is twenty-five so you add the twenty-five to the one-hundered and you get 125%
8 0
3 years ago
HURRY TImed Which of the following is equivalent to 3 1/3? A 1/27 B 1 C 3√3 D 1log33
Allisa [31]

Answer:

Step-by-step explanation:

3 1/3 is a mixed number, and is equivalent to 10/3.

4 0
3 years ago
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