A lottery sells a total of 60,000 lottery tickets. You buy 100 tickets and of these 90 are blanks (no prize). Approximately how many blanks were there in total in this lottery?

≈ 54000 blank tickets

Step-by-step explanation:

90 out of 100 = 9/10

9/10 × 60000 = 54000

the solution is the point

step-by-step explanation:

we have

> equation a

> equation b

adds equation a and equation b

substitute the value of x in equation b to find the value of y

the solution is the point

to find the total number of combinations, multiply the quantity of each item by each other:

2 pairs of shoes x 3 pairs of shorts = 6 different combinations.