Answer:
640
Step-by-step explanation:
you say 100% = 800
what about 80%(i get 80% after substracting 100% that's marked price - 20% discount)
then u say 80×800÷100
Answer:
222 yd²
Step-by-step explanation:
Bottom and top area, each = 7 * 3 = 21 yd²
Two lateral surdaces, each = 7 * 9 = 63 yd²
Two lateral surdaces, each = 3 * 9 = 27 yd²
Total area = 2 x (21 + 63 + 27) = 222 yd²
Answer:
A 13.75
Step-by-step explanation:
because you said the you 1 ponit for every right ans and -0.25 for incorret ans so 15 right ans would give you 15 ponits and 5 incorret ans would give you -1.25 so i add up
15+-1.25=13.75 or 55/4
i did do the math so it is right
