2 years ago

Sam is 5 years old. his older brother, tom, is three times as old as sam. when sam is 20, how old will tom be? 15

Mathematics

1 answer:

daser333 [38]2 years ago

3 0

$5 + 3x = 20 \\ 3x = 20 - 5 \\ x = 15 \div 3 \\ x = 5$

You might be interested in

What is the answer to 12.5 x n=32

adell [148]

I think that it is 2.4.

8 0

3 years ago

A hotel charges $225 per night to rent a suite. The hotel charges $75 per day for full room service . If Jessica and Ashley purc

Mrrafil [7]

A) 3
the reason is because $225 a night and $75 a day 75*2 is 175 so then you add 175+225 is 400 multiple it by 3 your answer is $1200 enjoy your answer

4 0

2 years ago

What is the point estimate for the number of cars sold per week for a sample consisting of the following weeks: 1, 3, 5, 7, 10,

Eva8 [605]

The point esimate I think would be 10

8 0

2 years ago

What does x equal in the expression (8x - 11)

marta [7]

Step-by-step explanation:

$8x - 11 = 0$

$8x = 11$

$x = \frac{11}{8}$

4 0

2 years ago

Community Gym charges a $60 membership fee and a $60 monthly fee. Workout Gym charges a $200 membership fee and a $50 monthly fe

Kitty [74]

Answer:

14 months

Step-by-step explanation:

60x+60=50x+200

10x+60=200

10x=140

x=14

60(14)+60=900

50(14)+200=900

8 0

3 years ago