Answer:
4
Step-by-step explanation:
Multiply both sides by 7.
5s+8=28
Subtract 8 from both sides.
5s=20
Divide 5 from both sides,
s=4
Answer:
1:2
Step-by-step explanation:
The total number of marbles in the jar can be found by adding all the numbers of marbles given:
15+5+10 = 30
Out of 30 total marbles, 15 are red marbles. We can write the ratio as:
15:30
This ration can be simplified to:
1:2
Answer:
arbys
Step-by-step explanation:
we have the meats
Answer:
22 of the 95$ ones and 10 of the 125
Step-by-step explanation:
22 times 95 = 2090
10 times 125 = 1250
2090+1250=3340
hope this helped
Answer:
f(x) = 4 - x
Step-by-step explanation:
'f(x) = blah-blah' is the same as saying 'y = blah-blah', except it is also telling you that the x-y relationship is a function.
I notice that for each case, x + y = 4, so y = 4 - x
Or in 'function' terminology, f(x) = 4 - x
