Is 12 I think so !! try it
Answer:
100m race
Step-by-step explanation:
because 10.4 x 4 because 100m and 400m right 10.4x4=41.6 and 43.9 so obviously the 100m race is faster.
3a + a - 15 = 225 . your substituting b(a-15) into the first equation. <span />
Penny- 3g
nickel-5g
dime- 2g
quarter-6g
half dollar- 11g
You can just think of any variable for example let's use "T" , "E". Then do T +E for part a. Then do T=11 E=15. After do 11 •7 and 15•7. 11•7=77 . 15•7=105. Last do 105+77 and it equals 182.
