x/2 + 4 < 7
multiply both sides by 2
x/2 * 2 + 4 * 2 < 7 * 2
which equals
x + 8 < 14
subtract 8 from both sides
x + 8 - 8 < 14 - 8
x < 6
Answer:
-5,3,4
Step-by-step explanation:
Answer:
13 hours
Step-by-step explanation:
If she has 26 tests and it takes her Half an hour to correct each test, we know here's are two half an hour a in one hour so we can then divide 26 by 2 to get 13.
Answer:
4
Step-by-step explanation:
90°-77°=13°.
the answer is 13°
