Answer:
x = 6
Step-by-step explanation:
The product of x and 3 is 3x
5 increased by this product is 5 + 3x, thus
5 + 3x = 23 ( subtract 5 from both sides )
3x = 18 ( divide both sides by 3 )
x = 6
Answer:
80.
Step-by-step explanation:
His total score for 5 tests = 5 * 77.4 = 387 .
Sp his score for fifth test
= 387 - (88 + 77 + 70 + 72)
= 387 - 307
= 80.
Answer:
I'm not confident on this but:
L = 2(W + 1)
Hopefully this might help somewhat :]
L: Length
W: Width