He read 1/2 at school and 1/10 at home. how much more of the book does he have to read?

2/5 of the book left to read

Step-by-step explanation:

1/2 + 1/10 = 5/10 + 1/10 = 6/10 reduces to 3/5

so if he read 3/5 of the book already, then he still has 2/5 of the book left to read. Because 5/5 of a book, = 1 book

homozygous. one is homozygous, while two is heterozygous.

13

step-by-step explanation:

divide the cost of the total of sodas you bought by the cost of one soda, for example:

$24.57 divided by $1.89 is 13 which means you bought 13 sodas