30173
Question
A school's drama club has 7 girls and 9 boys.
4 girls and some boys then joined the club.
The number of boys in the club is now double the number of girls.
How many boys joined the club?
Worked Solution
|
|
Girls in club |
= 7 + 4 |
|
= 11 |
|
|
⇒ Total boys required |
= 2 × 11 |
|
= 22 |
|
|
∴ Boys that joined |
= 22 − 9 |
|
= 13 |
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Variant 0
DifficultyLevel
566
Question
A school's drama club has 7 girls and 9 boys.
4 girls and some boys then joined the club.
The number of boys in the club is now double the number of girls.
How many boys joined the club?
Worked Solution
|
|
Girls in club |
= 7 + 4 |
|
= 11 |
|
|
⇒ Total boys required |
= 2 × 11 |
|
= 22 |
|
|
∴ Boys that joined |
= 22 − 9 |
|
= 13 |
Question Type
Multiple Choice (One Answer)
Variables
Variable name | Variable value |
correctAnswer | |
Answers