3 years ago

when dennis is asked how old he is he responds with the following riddle: 400 decreased by 2 times my age is 244

Mathematics

1 answer:

kykrilka [37]3 years ago

5 0

Dennis is 78 years old.

You might be interested in

WHAT IS THE ANSWER FOR 12 1/3 + 8 3/4 +17 2/8 +23 2/3=

gulaghasi [49]

$12 \dfrac{1}{3} + 8 \dfrac{3}{4} +17 \dfrac{2}{8} +23 \dfrac{2}{3}$

Simplify
$= 12 \dfrac{1}{3} + 8 \dfrac{3}{4} +17 \dfrac{1}{4} +23 \dfrac{2}{3}$

Change the denominators to be the same
$= 12 \dfrac{1 \times 4}{3 \times 4} + 8 \dfrac{3 \times 3}{4 \times 3} +17 \dfrac{1 \times 3 }{4 \times 3} +23 \dfrac{2 \times 4}{3 \times 4}$

$= 12 \dfrac{4}{12} + 8 \dfrac{9}{12} +17 \dfrac{3 }{12} +23 \dfrac{8}{12}$

Combine into single fraction
$= 60 \dfrac{24}{12}$

$= 62$

6 0

2 years ago

Please help me with this

Maurinko [17]

Answer:

C and E I think

Step-by-step explanation:

They both represent taking number of people, or population

8 0

3 years ago

The area of a parallelogram is 420cm^2 and the height is 35cm. Find the corresponding base.

bearhunter [10]

The answer is 12cm because area (420) divided bye height (35) gives you the corresponding side 12cm.

4 0

3 years ago

A simulation of solar activity based on NASA studies shows that the sun experiences a major solar flare once every 12 years. Abo

Sunny_sXe [5.5K]

8 flares are most likely to occur in one century. However, the answer is 8.33, so take that into account.

7 0

2 years ago

You put the following items into your rucksack. Ham 600 g Cheese 380 g Tomatoes 270 g How much do all the ingredients weigh in t

nekit [7.7K]

The answer is 1,250 as you add all the items together

5 0

3 years ago