A pencil decreases in size by 1/12 millimeters per day. The total change in size of the pencil is -7/9 millimeters. How many day

Question

3 years ago

13

s has the pencil been decreasing?

1 answer:

AlekseyPX · Answer 1 · 2022-05-18T01:54:45+03:00

9 1/3 days

Step-by-step explanation:

If the total change in the size of the pencil is -7/9 millimeters. Then the actual change itself is 7/9 which is a positive value.

If each day the pencil changes by 1/12 millimeters, how many 1/12 millimeters are there in 7/9 millimeters. This is a division query;

7/9 ÷ 1/12 = 7/9 * 12/1 = 28/3

= 9 & 1/3 days

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