Ella simplifies (3 b + 4 r) + (negative 2 b minus r) and says the result is b Plus 5r. What error did Ella make? Ella incorrectl
y combined the b coefficients. The correctly simplified expression is 5 b + 5 r. Ella incorrectly combined the b coefficients. The correctly simplified expression is Negative b + 5 r. Ella incorrectly combined the r coefficients. The correctly simplified expression is b – 5r. Ella incorrectly combined the r coefficients. The correctly simplified expression is b Plus 3r.
Let x = the # jujubes Sam had he gave x/2 to jen jen eats half of it = 1/2(x/2) = x/4 the remaining x/4 he gave to kyle kyle kept 8 and gave 10 to Kim so x/4 - 8 = 10 x/4 = 18 x =72 thus jen had 36 jujubes jen eat 18 jujubes