powberier6979
30.11.2020 •
Mathematics
Two grocery stores are having deals on tomatoes. Sally's Grocery is selling 10 tomatoes for $6.30. Sweet Supermarket is selling 7 tomatoes for $5.10. Which store is offering the lower unit price?
You know the price of 7 tomatoes at Sweet Supermarket, so you can find the price of 7 tomatoes at Sally's Grocery to compare. First, find the unit price at Sally's Grocery.
Sally's Grocery
Tomatoes Price
10 $6.30
1 $
0.63
Great job!
Now find how much 7 tomatoes would cost at Sally's Grocery, the same amount of tomatoes in the deal at Sweet Supermarket.
Solved
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Ответ:
Step-by-step explanation:
Calculate price per unit:
7/5.10= $1.37
So the answer is the store selling 10 tomatoes for $6.30 is the lower unit price
The tomoatoes if they were sold at Sally’s instead would cost $4.41
Ответ:
No but you can rewrite the negative as -1 then distribute the -1:-
5x+14-2x=9-(4x+2)
5x + 14 - 2x = 9 -1(4x + 2)
3x + 14 = 9 - 4x - 2 Add -14 and 4x to both sides:-
3x + 4x = 9 - 2 - 14
7x = -7
x = -1 answer