Answer: The son is 30 and the mother is 60
Step-by-step explanation:
Mother's age = m
Son's age = s
m = s + 30
m-15 = 3(s - 15)
m - 15 = 3s - 45
m = 3s - 30
(Substitution)
s + 30 = 3s - 30
2s = 60
s = 30
m = 60
Hope it helps <3
Answer:
18 flowers
Step-by-step explanation:
4trees:1 flower total=5
??? total=90
90 divided by 5 = 18
(promise the answers correct plz mark as brainliest please)
Answer:
30
Step-by-step explanation:
Work backwards:
- 6 is 3/5 of a number, and that number is 10
- 10 is 1/3 of a number, and that number is 30
Check your work:
- 2/3 of 30=20 toy to Sarah
- 30-20=10 toys left
- 2/5 of 10=4 toys to Ryan
- 10-4=6 toys left
Answer:
2x+6
Step-by-step explanation:
Answer:
CosZ: 0.42
TanZ: 2.14
SinZ: 0.91
Step-by-step explanation:
