multiply the number by 0.8 and that will be your answer
Answer:
-24
Step-by-step explanation:
b = 4 × 3.5 = 14 cm²
h = 2,1 cm
then
x=17, y=9. (17, 9).
x+y=26
3x+8y=123
------------------
x=26-y
3(26-y)+8y=123
78-3y+8y=123
78+5y=123
5y=123-78
5y=45
y=45/5
y=9
x=26-9=17
