2 years ago

A store has 125 scientific calculators.

Mathematics

1 answer:

aleksley [76]2 years ago

7 0

Answer:

Brand x: 80

Brand y: 45

Step-by-step explanation:

x + y = 125

20x + 15y = 2275

-20x - 20y = -2500

(+) 20x + 15y = 2275

--------------------------------

-5y = -225

y = 45

x + y = 125

x + 45 = 125

x = 80

Answer:

Brand x: 80

Brand y: 45

You might be interested in

Write the given trinomial if possible as a square of a binomial or as an expression opposite to a square of a binomial:

Ksenya-84 [330]

$\frac{4}{9}b^2 + 0.4bc + 0.09c^2 = \frac{4}{9}b^2 + \frac{4}{10}bc + \frac{9}{100}c^2 = (\frac{2}{3}b + \frac{3}{10}c)^2$

7 0

2 years ago

Donna is selling cucumbers from her backyard garden. Her garden is 56 square feet in total and she can grow 1 cucumber every 72

shusha [124]

Answer:

208

Step-by-step explanation:

6 0

2 years ago

April 15 is the _____. date you will receive your tax refund date you will receive your W-2 form deadline to file your tax retur

Jet001 [13]

I think that date has been changed...but it used to be the deadline to file ur taxes

4 0

3 years ago

Read 2 more answers

A couple wants to install hardwood into their bedroom. The wood is bought in 0.5×5 square foot pieces. They have 422 square feet

Lesechka [4]

Answer:

169 sections

Step-by-step explanation:

A couple wants to install hardwood into their bedroom. The wood is bought in 0.5×5 square foot pieces

The area of the 0.5×5 square foot pieces

Area= 0.5*5.

Area= 2.5 square feet

They have 422 square feet of floor on which to install the hardwood.

Number of sections to be purchased

= 422/2.5

= 168.8 sections

Approximately= 169 sections

6 0

3 years ago

What is 4e+21= what

love history [14]

The result can be shown in both exact and decimal forms.

Exact Form:

4 e + 21

Decimal Form:

31.87312731 …

Thanks,

Deku ❤

6 0

3 years ago