Answer:
21
first we begin from 1 to 100 we find 11 numbers contain 1 then we count 1s from 10 to 19 we get 9 numbers but there is an exciption in number 11 as it cotains 2 1s so thenumber of 1s is 21
Answer: 462
Step-by-step explanation:
The answer to the first one is a
Answer:
How many centimeters of string does she need?
30 * 30 cm = 900 cm
If the total cost of the string was $4.41, how much did she spend per meter?
4.41 / 9 = $0.49 per meter
Answer:
60c
Step-by-step explanation:
The question asks to triple the speed for 20 minutes, 20x3 is 60, if matt runs at c meters per minute, then we add the varabile and get 60c variable.
