Mr. woods had $840 he spent 3/7 of his money on a lawn mower he spent 1/8 of the remaining money on a gift for his wife how much money did mr. woods have left?

Suppose i flip two identical coins. what is the probability that i get one head and one tail?

This is so hard and it’s for a test

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.