Sanjay has 10 blue envelopes. He has 6 fewer yellow envelopes than blue envelopes. He has 5 times as many green envelopes as yellow envelopes. How many envelopes does Sanjay have in all?

Rachel reads 1/5 of the pages of a book plus 12 pages on the first day. on the second day, she reads 1/4 of the remaining pages plus 15 pages. on the third day, she reads 1/3 of the remaining pages plus 18 pages. on the fourth day, she reads the remaining 70 pages. how many total pages are in the book?

S-7< 3 i need answering this problem someone asap answer

Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7