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barxatty [35]
3 years ago
8

The sum of a number and twice the same number is 15

Mathematics
1 answer:
lakkis [162]3 years ago
5 0
2x + x = 15
I'm not sure if that's what your asking but that's the equation used to find x.
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Last week caroline worked 8 hours each day and she worked 5 days that week she earned $440 pounds so per hour she earned £11
IRISSAK [1]

Answer:

30%

Step-by-step explanation:

this week:

4 × 7 = 28 hours

earns: 28 × 11 = £308

reduction: 440 - 308 = 132

% reduction

132/440 × 100

30%

5 0
3 years ago
the tens digit of a 2 digit number is twice the units digit. The sum of the digits is 12. Find the original number
Nataly [62]
<span>2x + x = 12 
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7 0
3 years ago
Solve............... the system
nadezda [96]
5y=-25,
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7 0
3 years ago
Read 2 more answers
Explain and Answer!!!!
Gnom [1K]

Divide the arrow into upper triangle and lower rectangle

area of triangle :-

\frac{1}{2}  \times base  \times height

\frac{1}{2}  \times 20 \times (15 + 8 + 8)  \\  \frac{1}{2}  \times 20 \times 31 = 310

area of rectangle :-

length \:  \times  \: width \\ 15 \times 20 = 300

add both the area :-

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4 0
2 years ago
Read 2 more answers
PLEASE HELP ASAP !!!
Harrizon [31]

Answer:

  9/28

Step-by-step explanation:

1/4 = 7/28 is owned by the first person.

3/7 = 12/28 is owned by the second person.

The third person owns 28/28 -7/28 -12/28 = 9/28 of the business.

3 0
3 years ago
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