As long as no work needs to be shown, X=18.
Step-by-step explanation:
If the test has 30 questions each worth 2 points, then the test is worth 60 points. [30 × 2]
Seema got 12 answers correct. If each is worth 2 points, then her 12 correct answers are worth 24 points. [12×2]
Her total score is 24/60.
Answer:
b.) 4.2
Step-by-step explanation:
................
4 times 7 = 28
3 times 7 = 21
It will take him 21 days to make 28 bird houses.