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A day full of math games & activities. Find one near you.
A day full of math games & activities. Find one near you.

What does a duck do when it flies upside down? The answer to this riddle is hidden in the equation given below:
If i + 69 = 70, then i = ? If 8u = 6u + 8, then u = ?
If 4a = -5a + 45, then a = ? if 4q + 5 = 17, then q = ?
If -5t - 60 = -70, then t = ? If 1/4 s + 98 = 100, then s = ?
If 5/3 p + 9 = 24, then p =_____?
If 3c = c + 12, then c =_____?
If 3 (k + 1) = 24, then k =_____?
For riddle answer : substitute the number for the letter it equals

What does a duck do when it flies upside down? The answer to this riddle is hidden in the equation given below: If i + 69 = 70, then i = ? If 8u = 6u + 8, then u = ? If 4a = -5a + 45, then a = ? if 4q + 5 = 17, then q = ? If -5t - 60 = -70, then t = ? If 1/4 s + 98 = 100, then s = ? If 5/3 p + 9 = 24, then p =_____? If 3c = c + 12, then c =_____? If 3 (k + 1) = 24, then k =_____? For riddle answer : substitute the number for the letter it equals

Solution:

i + 69 = 70

i = 70 - 69 = 1

8u = 6u + 8

8u - 6u = 8

2u = 8

u = 4

4a = -5a + 45

4a + 5a = 45

9a = 45

a = 5

4q + 5 = 17

4q = 17 - 5

4q = 12

q = 3

-5t - 60 = - 70

-5t = -70 + 60

-5t = -10

t = 2

1/4 s + 98 = 100

1/4 s = 100 - 98

1/4 s = 2

s/2 = 4

s = 8

5/3 p + 9 = 24

5/3 p = 24 - 9

5/3 p = 15

p = 15 x 3/5

p = 9

3c = c +12

3c - c = 12

2c = 12

c = 6

3 (k + 1) = 24

3k + 3 = 24

3k = 24 - 3

3k = 21

k = 7

Substituting the number for letter it equals

What does a duck do when it flies upside down? The answer to this riddle is hidden in the equation given below: If i + 69 = 70, then i = ? If 8u = 6u + 8, then u = ? If 4a = -5a + 45, then a = ? if 4q + 5 = 17, then q = ? If -5t - 60 = -70, then t = ? If 1/4 s + 98 = 100, then s = ? If 5/3 p + 9 = 24, then p =_____? If 3c = c + 12, then c =_____? If 3 (k + 1) = 24, then k =_____? For riddle answer : substitute the number for the letter it equals

Therefore, the number for letter it equals is substituted above.

✦ Try This: Deeksha got ₹ 15,500 as her monthly salary and over-time. Her salary exceeds the over-time by ₹ 20,000. What is her monthly salary ?

☛ Also Check: NCERT Solutions for Class 7 Maths Chapter 4

NCERT Exemplar Class 7 Maths Chapter 4 Problem 105

What does a duck do when it flies upside down? The answer to this riddle is hidden in the equation given below: If i + 69 = 70, then i = ? If 8u = 6u + 8, then u = ? If 4a = -5a + 45, then a = ? if 4q + 5 = 17, then q = ? If -5t - 60 = -70, then t = ? If 1/4 s + 98 = 100, then s = ? If 5/3 p + 9 = 24, then p =_____? If 3c = c + 12, then c =_____? If 3 (k + 1) = 24, then k =_____? For riddle answer : substitute the number for the letter it equals

Summary:

The answer for the riddle is If i + 69 = 70, then i = 1 If 8u = 6u + 8, then u = 4. If 4a = -5a + 45, then a = 5 if 4q + 5 = 17, then q =3. If -5t - 60 = - 70, then t = 2 If 1/4 s + 98 = 100, then s = 8. If 5/3 p + 9 = 24, then p = 9. If 3c = c + 12, then c = 6. If 3 (k + 1) = 24, then k = 7

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