1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Luden [163]
3 years ago
8

Kim is 5 years older than her brother Jack. If the sum of their ages is 21, find each of their ages.

Mathematics
1 answer:
yarga [219]3 years ago
7 0

9514 1404 393

Answer:

  • Kim is 13
  • Jack is 8

Step-by-step explanation:

Let k represent Kim's age. Then Jack's age is k-5 and the total of their ages is ...

  k + (k -5) = 21

  2k = 26 . . . . . . . add 5, collect terms

  k = 13 . . . . . . . . . divide by 2; Kim's age

  k -5 = 8 . . . . . . . Jack's age

Kim is 13; Jack is 8.

You might be interested in
Can someone please help me​
zmey [24]

Answer:

C

Step-by-step explanation:

8 0
3 years ago
Example<br>2 (3x+11)=10​
Bumek [7]

Answer:

x = -2

Step-by-step explanation:

2 (3x+11)=10​

Divide each side by 2

2/2 (3x+11)=10​/2

3x+11 = 5

Subtract 11 from each side

3x+11-11 = 5-11

3x = -6

Divide each side by 3

3x/3 = -6/3

x = -2

6 0
3 years ago
Read 2 more answers
Find the area of the triangle
Svetradugi [14.3K]

Answer:

180

Step-by-step explanation:

A=1/2*b*h

A= 1/2*8*25

180

5 0
3 years ago
Karen gets a gas bill. The cost of the gas before the VAT was added was £361.20.
insens350 [35]

The cost of gas bill including VAT is 379.26.

<h3>What is VAT?</h3>

Value-Added Tax (VAT) is a tax, which is payable on sales of goods or services within the territory of the Member States of the EU.

Given:

Cost of the gas before the VAT was added was £361.20.

VAT = 5%

Thus, cost of bill including VAT is

=361.20.*1.05

=379.26.

Learn more about VAT here:

brainly.com/question/20628016

#SPJ1

7 0
2 years ago
A building casts a shadow 10 ft long. A statue in front of the building casts a shadow 2.5 ft long. If the statue is 15 ft tall,
Gelneren [198K]
3.75

10 ft - 2.5
Half of 2.5 is 1.25.

2.5 + 1.25 = 3.75


4 0
3 years ago
Other questions:
  • What is the common difference in the sequence 50 40 30 20 10
    7·2 answers
  • PLEASE HELP LIMITED TIME
    11·1 answer
  • Identify the median for the data of Johnny’s test scores: 92, 96, 97, 83, 92, 58, 93, 88, 77, 48, 65, 80, 71
    5·1 answer
  • You can walk 2 miles in 24 minutes. How long will it take you to walk 5 miles(show work so I can understand)
    8·1 answer
  • Which of the following values are in the range of the function shown below?
    9·1 answer
  • You have a basket containing 10 apples. You have 10 friends, who each desire an apple. You give each of your friends, 1 apple.
    7·2 answers
  • It takes four workers six hours and 45 minutes to plant 24 trees. If the time it takes to plant trees varies directly with the n
    15·1 answer
  • PLS help with number 4 :))
    13·1 answer
  • Container X has 2 cups of water with 6 teaspoons of sugar. Container Y has 4 cups of water with 8 teaspoons of sugar. In which c
    10·1 answer
  • The actual distance between A and B is 960 metres.
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!