There are 6 times as many dogs as cat. if the tiral number of dogs and cats is 21 , how many dogs are there

Ican figure out 20 shares multiply by $117.98 =2359.6920 shares multiply by $124.32=2486.40then take 40 shares multiply by $128.48=5139.20after that i'm lost any be greatly appreciated.

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

Scarlet bought three pairs of sunglasses and two shirts for $81 and paula bought one pair of sunglasses and five shirts for $105 what is the cost of one pair of sunglasses and one shirt?