Answer:
23. 92 points
24. 18.5 years old
Step-by-step explanation:
set up an equation
23. 79=chicago-13
add 13
chicago=79+13=92
24. 15.5=lou-3
loud=15.5+3=18.5
Answer:
2/3 hours
Step-by-step explanation:
40 minutes = 40/60 = 2/3 hours
Answer:
28 Kg : 8 Kg
Step-by-step explanation:
Sum the parts of the ratio, 7 + 2 = 9 parts
Divide 36 Kg by 9 to find the value of one part of the ratio.
36 Kg ÷ 9 = 4 Kg ← value of 1 part of the ratio, thus
7 parts = 7 × 4 Kg = 28 Kg
2 parts = 2 × 4Kg = 8 Kg
36 Kg in the ratio 7 : 2 = 28 Kg : 8 Kg
