Very simple questions i just need answers bc this is very late, 15 points and maybe branilist!

question #1

7/15

explanation:

2/10 can round down to 1/5

4/20 can also be round down to 2/10 and 1/5

8/40 can be rounded down to 2/10, 4/20 and 1/5

7/15 can't be rounded down

1. B

2. i dont know this answer sorry:(

3. 30/140 or in simplest form is 1/7

4.B

17   x 256=4352

sorry if this is wrong, i'm new.

step-by-step explanation:

step-by-step explanation:

ok so im not 100% sure but you would start by adding 5.1t and 1.9t beacuse they have the same variable. that is 7t.   then add -3.6 + 1.2 which is -2.4

so then keep that as -2.4 + 7t. i apologize if this is incorrect. best luck on your test < 3