Explanation:
June has 30 days
July has 31 days
18 June + 12 days = 30 June
30 June + 31 days = 31 July
Days left = 45 days – 12 days – 31 days = 2 days
31 July + 2 days = 2 August
Explanation:
Solution:
Total 23 boats
2 boats * 14 pers. = 28 persons
23 – 2 = 21 boats left
1/3 * 21 boats = 7 boats
7 boats * 4 pers. = 28 persons
21 – 7 = 14 boats left
½ * 14 = 7 boats
7 boats * 3 pers. = 21 person
14 -7 = 7 boats over
7 * 2 = 14 persons
Total = 28 + 28 + 21 + 14 = 91 persons
Explanation:
Solution:
Ulti-Eat: € 800,- + (90 * € 10,-) = € 1700,-
Munchers: 90 * € 20,- = € 1800,-
Uberchef: € 650,- + (90 * € 12,-) = € 1730,-
La Cuisine: € 1000,- + (90 * € 8,-) = € 1720,-
So Ulti-Eat is the cheapest
Explanation:
Solution:
Starting day is Tuesday
Tuesday + 1 week is Tuesday
17 days is 2 weeks (2×7 days) + 3 days
Tuesday + 3 days is Friday
So on Friday
Explanation:
Solution:
Notebooks: 3 * € 3,40 = € 10,20
Pencils together with rubbers: 3 * € 1,00 = € 3,00
Pencils separately: 3 * € 0,60 = € 1,80
Total: € 10,20 + € 3,00 + € 1,80 = € 15,00
Explanation:
Total amount of marbles = 26 + 52 + 39 = 117
of which 39 are yellow so the chance is 39/117 = 1/3