Question

Mrs Tan spent 5 days to make a total of 35 lanterns. Each day, she makes 2 more lanterns than the day before. How many lanterns did she make on the 4th day?​

Answer 1

9

Explanation:

we could use a way of guess

like first our number bases could be

1,2,3

for 1 , 1+3+5+7+9=25

2= 2+4+6+8+10+12=30

3= 3+5+7+9+11=35

so we find answer it is 9

i hope that could help you