Her mother is 40 years old because 10 times 4 equals 40 because it’s adding 10 times in a row like 10 + 10 + 10 + 10 = 40
Answer: (5,10)
Step-by-step explanation:
multiply first equation with 2 and add it to second to eliminate X
7x-5y=-15 //*2
14x-10y=-30
-14x+7y=0
----------------
-3y=-30
y=-30/-3
y=10
7x=50-15
7x=35
x=35/7
x=5
Answer:
if it's true simple interest then each year's interest is the same so interest for one year is a quarter of 241.50 which give you the rate but if each year's interest in left in the account the result will be different , it is a really poorly worded question
Answer:
404 cm2
Step-by-step explanation:
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Answer: You have to provide the options in order for people to help.
Step-by-step explanation: