Answer:
It's D. 53.1°
Step-by-step explanation:
It's quite simple. Look:
Lets let S- be the age of Sally and B- can be the age of Beth
S+B=60
S-6=3(B-6)
S-6=3B-18
S=3B-18+6
S=3B-12
3B-12+B=60
4B=60+12
4B=72
B=72/4
B=18
B=60-18
B=42
The ages are (B)18 and (S)42
Hope this helps!! :)
Answer:
eight away .7 can be used into 3 4 times with a sum of 2.8 and that leaves .2 which would be left out since it is not a whole .7 so C
Step-by-step explanation:
Your answer is 9-1/2x+5+4•x
A must be equal to b or be a multiple of b or -b in order to be an integer
example 5/5 is an integer (1)
60/5 is an integer (12) because 60 is a multiple of 5
-30/5 is an integer (-6) because -30 is a multiple of -5