Dos kilos de plátanos y tres kilos de manzanas cuestan 6,70€. Por otro lado, un kilo de manzana y tres kilos de plátanos tienen un importe de 5,15€ ¿cuanto cuesta el kilo de manzanas? ¿Y el de platanos?

x = -4

step-by-step explanation:

- 20 - 4(x + 3) = 4x

=> -20 - 4x - 12 = 4x

=> - 32 -4x = 4x

=> -32 = 4x + 4x

=> - 32 = 8x

=> -32/8 = x

=> -4 = x

what level of math? also i don't need to be paid if i can you.

change of stock price/initial stock price on friday * total stock value = change of stock value

0.89/73.73 *x = 42.72

x=3539.04 = total stock value at initial stock price on friday .

total stock value at initial stock price on friday/ initial stock price on friday = number of shares

3539.04/73.73 = 48 shares

they own 48 shares of this stock

i think its a.

hope this