Fiona interviewed her 30 classmates on whether or not they have siblings and if they have assigned chores at home. she display her results in the table shown. which statement is true?

a) more than half of her classmates are only children

b) half of her classmates have a sibling and half do not

c) more only children did not have chores than those with a sibling

d) fewer classmate have chores than don't have chores

Pls , the question is in the picture!

Juliana says that she can use the patterns of equivalent ratios in the multiplication table below to write an infinite number of ratios that are equivalent to 6: 10. which statement explains whether juliana is correct? she is correct because she can multiply 6 and 10 by any number to form an equivalent ratio. she is correct because 6: 10 can be written as 1: 2 and there are an infinite number of ratios for 1: 2. she is not correct because the multiplication table does not include multiples of 10. she is not correct because 6: 10 is equivalent to 3: 5 and there are only 9 ratios in the multiplication table that are equivalent to 3: 5.

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest