3 years ago

Can someone please help me

Mathematics

1 answer:

Alenkinab [10]3 years ago

5 0

Answer: 14 units?

Step-by-step explanation: Sorry if its wrong.....

You might be interested in

sally has 20 coins in her piggy bannk, all dimes and quarters. the total amount of money is $3.05. how many of each coin does sh

VMariaS [17]

D=dimes
q=quarters

d + q = 20
.10d + .25q = 3.05

d=-q + 20

.10(-q + 20) +.25q = 3.05
-.10q + 2 + .25 = 3.05
.15q + 2 = 3.05
.15q + 2 - 2 = 3.05 - 2
.15q = 1.05
.15q/.15 = 1.05/.15
q = 7

d + 7 = 20
d + 7 - 7 = 20 - 7
d = 13

Sally has 7 quarters and 13 dimes.
Hope this helps!

5 0

3 years ago

Mr. Curtis built a toolbox for each of his four sons. He as $50 to spend to equip each box. He plans to purchase up to 5 items f

Kaylis [27]

What’s the question?

3 0

3 years ago

find an equations for the lines through the point (2,1) which is perpendicular to the line with equation y+4x=7

daser333 [38]

Hope this helps you!