Answer:
Amount of money Elsa spent= amount of money given by grandmother,x - amount of money saved.
Hence for the first four weeks, amount spent= 4(x-10) as she saved 10 per week for 4 weeks.
For the next eight weeks, amount spent= 8(x-15) as she saved 15 per week for 8 weeks.
Thus the answer would be the first option.
Answer:
(5+5)x2
Step-by-step explanation:
I think this is it, as for you said a person sent 5 emails to 5 friends, so 5 so far. Then they sent 5 mails, 5+5=10. This happened 2 times so 10x2.
The answers are: 13, 8, 3, -2.
Hope this helps!!!!
Answer:
x = 16
Step-by-step explanation:
(whole secant) x (external part) = (tangent)^2
(x+2) *2 = 6^2
2(x+2) = 36
Divide by 2
x+2 = 18
Subtract 2
x = 18-2
x = 16