Domino's charges $10.99 for a large pizza.Nia just realized that she has three coupons for large cheese pizzas.each coupon is fo
r $2 off. She is hosting a big party so she needs lots of pizzas.If she has $60 to spend how many pizzas can she buy all together?
1 answer:
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Answer:
It will take 146 days to earn an interest of $80.
Step-by-step explanation:
The simple interest formula is:
It is provided that:
I = $80
P = $4,000
r = 5% p.a.
Compute the time required as follows:
Thus, it will take 146 days to earn an interest of $80.
Answer:
Multiply equation by 5 and
by 4
Step-by-step explanation:
Given:
Equations are
To find: constant by which each equation should be multiplied to eliminate the variable in the given system of equations
Solution:
Multiply equation (i) by 5 and (ii) by 4 to get the following equations:
On subtracting these equations, we get
So, the variable gets eliminated